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Encyclopedia results for Quantitative trait locus

Quantitative trait locus





Encyclopedia results for Quantitative trait locus

  1. Locus amoenus

    Latin for pleasant place , locus amoenus is a literary term which generally refers to an idealized place of safety or comfort. A locus amoenus is usually a beautiful, shady lawn or open woodland, sometimes with connotations of Garden of Eden Eden . In 1953, Ernst Robert Curtius wrote the concept s definitive formulation in his European Literature and the Latin Middle Ages . A locus amoenus will have three basic elements trees, grass, and water. Often, the garden will be in a remote place and function as a landscape of the mind. It can also be used to highlight the differences between urban and rural life or be a place of refuge from the processes of time and mortality. Some gardens in the genre also have overtones of the regenerative powers of human sexuality. ref For more information, see http ia600408.us.archive.org 7 items paradicesonlymap00osma paradicesonlymap00osma.pdf Evett, David. Paradice s Only Map The Topos of the Locus Amoenus and the Structure of Marvell s Upon Appleton House. PMLA. 85.3 1970 504 513. ref The literary use of this type of setting goes back, in Western literature at least, to Homer , and it became a staple of the pastoral works of poets such as Theocritus and Virgil . Horace Ars poetica , 17 and the commentators on Virgil, such as Servius , recognize that descriptions of loci amoeni have become a rhetorical commonplace. In Ovid s Metamorphoses , the function of the locus amoenus is inverted. Instead of offering a respite from dangers, it is itself usually the scene of violent encounters. ref http www2.hawaii.edu zuern demo explication loc locus1.html John David Zuern, Locus Amoenus ref In the works of William Shakespeare , the locus amoenus is the space that lies outside of city limits. It is where erotic passions can be freely explored, away ... roger THE LOCUS AMOENUS AND THE FANTASY QUEST.html Roger Schlobin, The Locus Amoenus and the Fantasy ... Utopias lit stub ca Locus amoenus de Locus amoenus es Locus amoenus it Locus amoenus la Locus ...   more details



  1. Locus in quo

    Locus in quo means, in Great Britain British common law , the scene of the event ref http www.clickdocs.co.uk glossary locus in quo.htm Clickdocs.com ref , or The phrase Etymology comes from the Latin language, meaning The place in which . ref http www.sacklunch.net Latin L locusinquo.html Latin phrases site . ref ref http www.m w.com dictionary locus in quo Merriam Webster dictionary . ref ref http www.answers.com topic locus in quo Answers.com ref In law, locus in quo refers to the place where the cause of action arose , that is, the land to which the defendant trespass ed. ref http web.archive.org web 20091027092116 http www.geocities.com CapeCanaveral Hall 6670 glossary.html Legal phrase web page . Technically, it was called Trespass quare clausum fregit , Wherefore he broke the close. ref It may also be used, more generally, as any place mentioned, that is, the Venue law venue or place mentioned. ref http www.infoplease.com dictionary brewers locus quo.html Infoplease.com ref ref http www.bartleby.com 81 10436.html Bartleby s , citing E. Cobham Brewer, Dictionary of Phrase and Fable 1898 . ref References references See also Trespass Tort law Latin phrases Category Real property law Category Latin legal terms Latin legal phrase stub ...   more details



  1. Locus Technologies

    COI date April 2011 Locus Technologies is an American corporation with headquarters in Mountain View ... private snapshot.asp?privcapId 4641462 Business Week Internet Software and Services, Locus Technologies ... Locus Technologies SAS 70 Certification url http sas70registry.com registry locus technologies publisher ... information management EIM Software as a Service SaaS applications. Locus has also been highlighted ... is believing Locus Technologies environmental software helps visualize the impact url http www.zdnet.com blog green seeing is believing locus technologies environmental software helps visualize ... accessdate 25 February 2011 ref Locus pioneered the cross section of information management software ... for use on the iPad , the iPhone , and iPod Touches . ref cite web title Locus Technologies unveils ... Articles Consulting Career News Locus Technologies unveils environmental data collection app?id 68557 ... url http itunes.apple.com us app locus ewell id420751056?mt 8 publisher Apple iTunes Store accessdate 6 May 2011 ref Locus Technologies was founded in April 1997 by Neno Duplan. ref cite journal last Xavier first Jon Xavi title Locus Technologies helps manage clients environmental footprint journal ... Duplan url http www.locustec.com KNBR Radio Interview.htm publisher KNBR Radio file hosted by Locus ... accessdate 6 May 2011 ref ref cite web title Locus Technologies Water Tracking, Use and Opportunity for Business url http greencollar.podbean.com 2010 12 29 locus technologies water tracking use and opportunity for businesses publisher Greencollar accessdate 25 February 2011 ref Locus Board of Directors also includes Mr. Rick Bergquist , ref cite web last Bergquist first Rick title Locus Technologies Appoints New Board Members url http www.marketwire.com press release Locus Technologies Appoints New Board Members 961387.htm work Locus Technologies publisher Marketwire accessdate 25 February ... date 10 03 08 ref Locus Technologies is the Third Largest Environmental Firm in the San Francisco Bay ...   more details



  1. Locus coeruleus

    Refimprove date December 2008 Infobox Brain Name Locus coeruleus Latin locus caeruleus GraySubject 187 GrayPage 778 Image Gray709.png Caption Rhomboid fossa. Locus coeruleus not labeled, but is very near just lateral to colliculus facialis, which is labeled at center left. Image2 Locus ceruleus high mag.jpg Caption2 Micrograph showing the locus coeruleus. LFB stain HE LFB stain . IsPartOf Components Artery Vein Acronym BrainInfoType hier BrainInfoNumber 578 MeshName MeshNumber NeuroLex Locus coeruleus NeuroLexID birnlex 905 DorlandsPre l 14 DorlandsSuf 12501661 The locus coeruleus also spelled locus caeruleus or locus ceruleus , is a nucleus in the pons part of the brainstem involved with physiology ... Maeda00 cite journal pmid 10708919 volume 18 issue 1 2 title The locus coeruleus history year 2000 month February journal J. Chem. Neuroanat. pages 57 64 author Maeda T ref The locus coeruleus is the principal site for brain synthesis of norepinephrine noradrenaline . The locus coeruleus and the areas of the body affected by the norepinephrine it produces are described collectively as the locus coeruleus ... F. authorlink coauthors Dominick P. Purpura year 2009 month March title Autism, fever, epigenetics and the locus ... coeruleus and Wikt locus locus . Literally, this means the blue spot , a name derived from its azure ... of ae and oe American English form. Anatomy Image Locus ceruleus very low mag.jpg thumb right Micrograph showing the locus coeruleus upper right of image in an axial section of the pons. The fourth ... LFB stain . The locus coeruleus or LC is located in the posterior area of the rostral pons in the lateral ... nigra . In adult humans 19 78 the locus coeruleus has 22,000 to 51,000 total pigmented neurons ... 7 issue 3 title Absolute number and size of pigmented locus coeruleus neurons in young and aged individuals ... homeostasis homeostatic control center of the body, the locus coeruleus receives afferents from the hypothalamus ... also project to the LC, particularly the raphe pontis and raphe dorsalis. The locus coeruleus receives ...   more details



  1. Locus (mathematics)

    Image Locus Curve.svg thumb right 400px A set of loci 2cm, 4cm, 6cm and 8cm from math l math towards math P math . These curves are half of the Conchoid of Nichomedes . In geometry , a locus Latin for place , plural loci is a collection of point geometry points which share a property. For example a circle may be defined as the locus of points in a plane at a fixed distance from a given point. A locus may alternatively be described as the path through which a point moves to fulfill a given condition or conditions. So, for example, a circle may also be defined as the locus of a point moving so as to remain at a given distance from a fixed point. The term occurs in complex dynamics as Bifurcation locus Connectedness locus Proofs involving loci In general, a proof that a locus is a particular curve has two parts. The first part is to show that every point on the curve satisfies the condition of the locus and second part is to show that every point that satisfies the condition is on the curve. For example, to show that the locus of points equidistant between two given different points is their perpendicular bisector , one must show Any point equidistant from the two points lies on the perpendicular bisector, Any point on this line is equidistant from the two given points. See also Set mathematics References Robert Clarke James, Glenn James Mathematics Dictionary . Springer 1992, ISBN 9780412990410, p. 255 Google books UyIfgBIwLMQC restricted online copy page 255 Alfred North Whitehead An Introduction to Mathematics . BiblioBazaar LLC 2009 reprint , ISBN 9781103197842, pp. 121 Google books UyIfgBIwLMQC restricted online copy page 121 George Wentworth Junior High School Mathematics Book III . BiblioBazaar LLC 2009 reprint , ISBN 9781103152360, pp. 265 Google books cPlTB4qe40MC restricted online copy page 265 Category Elementary geometry Elementary geometry stub ar bg ca Lloc geom tric de Geometrischer Ort el es Lugar geom trico ...   more details



  1. Locus (comics)

    Superherobox image Deleted image removed Image locusnskids.jpg 250 px caption Locus left with Skids comic color background ff8080 character name Locus real name Rayna Piper ref Official Handbook of the Marvel Universe A Z hardcover, Vol. 8 ref species Mutant Marvel comics Human Mutant publisher Marvel Comics debut X Force 27 1993 creators Fabian Nicieza & Matt Broome alliance color background ffc0c0 alliances Mutant Liberation Front aliases powers Teleportation , br Levitation Paranormal and religious beliefs Self levitation Locus is a fictional Mutant Marvel comics mutant villainess in the Marvel Comics universe. She was first introduced as a member of the Mutant Liberation Front in the comic ... kill Henry Peter Gyrich . With the addition of Locus at this point drawn and colored as a Caucasian ... by X Force . When Locus tries to kill Gyrich, Sunspot jumps in the way and something unexpected ... of Locus powers and Sunspot s well traveled tenure with both the New Mutants and X Force the couple ... 2009 After six months of searching, Locus mysteriously appears at X Force s base. She claims to have ... Forearm out first. All would have been lost if not for X Force and Locus teleporting in to stop the madman ... to stop them. During the hostile takeover, Wildside and Locus get in an argument and he slaps her ... of fate, Locus powers adversely interact with Skids force field science fiction force field and the two ... Jennifer Kale , manage to defeat Pandemonia and rescue their ally. Issue date April 2009 Locus final ... Locus as a much needed teleporter, and sent new agent Washout comics Washout and Brent Jackson ... date April 2009 Powers and abilities Locus has the ability to Teleportation teleport herself, other ... db spotlight showquestion.asp?faq 12&fldAuto 186 Uncannyxmen.net Character Profile on Locus ... Front DEFAULTSORT Locus Comics Category Comics characters introduced in 1993 Category Characters ... who can teleport Category Marvel Comics mutants Category Marvel Comics supervillains fr Locus ...   more details



  1. Locus Castorum

    Locus Castorum was an ancient village of the Roman Empire era located in northern Italy approximately convert 12 mi km from Cremona , and midway between Cremona and Bedriacum . ref cite book title History of the Roman World from 30 B.C. to A.D. 138 last Salmon first E.T. year 1968 publisher Routledge location isbn 0415045045 url http books.google.com books?id jzOSdHYWML4C&pg RA1 PA204&lpg RA1 PA204&dq 22Locus Castorum 22&source web&ots sd7i9A7FLl&sig kZmV7kncv dpRGbr0jl7VvFCAbg&hl en&sa X&oi book result&resnum 6&ct result pages 204 ref Its name derives from the Gemini twins , of Castor and Pollux . ref cite web url http www.archive.org stream historyoftheroma030427mbp historyoftheroma030427mbp djvu.txt title A History Of The Roman Empire From Its Foundation accessdate 2008 09 15 last first coauthors date work 69 A.D. BATTLE OF LOCUS CASTOEUM. 335 publisher archive.org ref It was the site of the Battle of Locus Castrorum Battle of Locus Castorum . References Reflist coord missing Italy Category Roman towns and cities in Italy AncientRome stub ...   more details



  1. Base locus

    main Linear system of divisors In mathematics , specifically algebraic geometry , the base locus of a linear system of divisors on a Algebraic variety variety refers to the subvariety of points common to all divisors in the linear system. Geometrically, this corresponds to the common intersection of the varieties. Definition More precisely, suppose that math D math is a linear system of divisors on some variety math X math . Consider the intersection math textrm Bl D bigcap D text eff in D textrm Supp D text eff math where math textrm Supp math denotes the support of a divisor, and the intersection is taken over all effective divisors math D text eff math in the linear system. This is the base locus of math D math as a set, at least there may be more subtle Scheme mathematics scheme theoretic considerations as to what the Ringed space structure sheaf of math textrm Bl math should be . One application of the notion of base locus is to Numerically effective nefness of a Cartier divisor class i.e. complete linear system . Suppose math D math is such a class on a variety math X math , and math C math an irreducible curve on math X math . If math C math is not contained in the base locus of math D math , then there exists some divisor math tilde D math in the class which does not contain math C math , and so intersects it properly. Basic facts from intersection theory then tell us that we must have math D cdot C geq 0 math . The conclusion is that to check nefness of a divisor class, it suffices to compute the intersection number with curves contained in the base locus of the class. So, roughly speaking, the smaller the base locus, the more likely it is that the class is nef. In the modern formulation of algebraic geometry, a linear system math D math of Cartier divisors on a variety ... locus math textrm Bl D math is the set of common zeroes of all sections of math L D math . A simple ... locus is empty. References Hartshorne, R. Algebraic Geometry , Springer Verlag , 1977 corrected ...   more details



  1. Root locus

    Cleanup date January 2008 Root locus analysis is a graphical method for examining how the roots of a system ... to determining the stability of the system, the root locus can be used to design the damping ratio ... with the origin. By selecting a point along the root locus that coincides with a desired damping ... elaborate techniques of controller design using the root locus are available in most control textbooks ... 1 2 1 3 5 1 .png thumb 420px RL root locus Example Suppose there is a plant control theory plant ... gain K and output expression C s as shown in the block diagram below. File Root locus example diagram.png ... multiply or divide . So to test a point for inclusion on the root locus, all you do is add the angles .... It is important to note that the root locus only gives the location of closed loop poles as the gain ... a few basic rules, the root locus method can plot the overall shape of the path locus traversed by the roots as the value of K varies. The plot of the root locus then gives an idea of the stability and dynamics ... Evans title Control Systems Synthesis by Root Locus Method journal Trans. AIEE issn 0096 3860 volume 69 issue 1 pages 66&ndash 69 date January 1950 doi 10.1109 T AIEE.1950.5060121 ref Sketching root locus ... Mapping.svg The root locus can also be computed in the z transform z plane , the discrete counterpart ... loop transfer function, and immediately analyzed utilizing root locus. Since root locus is a graphical angle technique, root locus rules work the same in the z and s planes. The idea of a root locus can ... Citation title Accurate Root Locus Plotting Including the Effects of Pure Time Delay url http ... External links http en.wikibooks.org wiki Control Systems Root Locus Wikibooks Control Systems Root Locus http www.engin.umich.edu group ctm rlocus rlocus.html Carnegie Mellon University of Michigan Tutorial http www.swarthmore.edu NatSci echeeve1 Ref LPSA Root Locus RLocusExamples.html ... page http www.atp.ruhr uni bochum.de rt1 syscontrol node46.html The root locus method Drawing by hand ...   more details



  1. Quantitative ecology

    Quantitative ecology is the application of advanced mathematical and statistics statistical tools to any number of problems in the field of ecology . It is a small but growing subfield in ecology, reflecting the demand among practicing ecologists to interpret ever larger and more complex data sets using quantitative reasoning. Quantitative ecologists might apply some combination of deterministic or stochastic mathematical models to theoretical questions or they might use sophisticated methods in applied statistics for experimental design and hypothesis testing . Typical problems in quantitative ecology include estimating the dynamics and status of wild populations, modeling the impacts of anthropogenic or climatic change on ecological communities, and predicting the spread of invasive species or disease outbreaks. Quantitative ecology, which mainly focuses on statistical and computational methods for addressing applied problems, is distinct from theoretical ecology which tends to explore focus on understanding the dynamics of simple mechanistic models and their implications for a general set of biological systems using mathematical arguments. Selected bibliography Hilborn, R. and M. Mangel. 1997. The Ecological Detective Confronting Models with Data . Princeton University Press. Mangel, M. 2006. The Theoretical Biologist s Toolbox. Quantitative Methods for Ecology and Evolutionary Biology . Cambridge University Press. Poole, R. 1974. Introduction to Quantitative Ecology . McGraw Hill. Schneider, D. 1994, 2009. Quantitative Ecology Spatial and Temporal Scaling . Academic Press. Turner, M. and R. Gardner eds . 1991. Quantitative methods in landscape ecology . Springer. See also Taylor s law Theoretical ecology http www.washington.edu depts qerm Quantitative Ecology and Resource Management at the University of Washington, Seattle http www.huck.psu.edu education ecology degree requirements options quantitative ecology Quantitative Ecology at Penn State University Category ...   more details



  1. Bridge locus

    In neuroscience the bridge locus for a particular sensory percept is a hypothetical set of neuron s whose activity is the basis of that sensory percept. The term was introduced by D.N. Teller and E.Y. Pugh, Jr. in 1983, and has been sparingly used. ref cite book author D.N. Teller, E.Y. Pugh, Jr. title Colour Vision editors J.D. Mollon, L.T. Sharpe year 1983 publisher Academic Press pages 581 isbn 9780125042802 ref Activity in the bridge locus neurons is postulated to be necessary and sufficient conditions necessary and sufficient for sensory perception if the bridge locus neurons are not active, then the sensory perception does not occur, regardless of the actual sensory input. Conversely if the bridge locus neurons are active, then sensory perception occurs, regardless of the actual sensory input. It is the highest neural level of a sensory perception. So, for example, retina l neurons are not considered a bridge locus for visual perception because stimulating visual cortex can give rise to phosphene visual percepts . ref Davida Y Teller Linking propositions Vision Research 1984 ref Not all scholars believe in such a neural correlate of consciousness . ref cite book title The Quest for Consciousness author Christof Koch page 88 publisher Roberts and Company Publishers year 2004 isbn 0974707708 isbn13 9780974707709 ref Pessoa et al., for example, argue that there is no necessity for a bridge locus, basing their argument on the requirement of an isomorphism between neural states and conscious states. ref cite book title Neural Correlates of Consciousness editor Thomas Metzinger chapter What is a Neural Correlate of Consciousness author David J. Chalmers page 37 publisher MIT Press year 2000 isbn 0262133709 isbn13 9780262133708 ref clarify date November 2011 Thompson argues that there are good reasons to think that the notion of a bridge locus, which he calls a localizationist ..., rather than centralized representations. He equates the notion of a bridge locus to a Cartesian ...   more details



  1. Quantitative psychology

    Psychology sidebar The American Psychological Association defines Quantitative Psychology as the study of methods and techniques for the measurement of human attributes, the statistical and mathematical modeling of psychological processes, the design of research studies, and the analysis of psychological data . ref http www.apa.org research tools quantitative index.aspx ref Research in quantitative psychology develops psychological theory in relation to mathematics and statistics. Psychological research requires the elaboration of existing methods and the development of new concepts, so that quantitative psychology requires more than applications of statistics and mathematics. ref http www.apa.org research tools quantitative index.aspx ref Quantitative psychology has two major subfields, psychometrics and mathematical psychology . Research in psychometrics develops methods of practice and analysis of psychological measurement, for example, developing a questionnaire to test memory and methods of analyzing data from that questionnaire ref http en.wikipedia.org wiki Psychometrics Psychometrics ref . Research in mathematical psychology develops of novel mathematical models that describe ... ref Quantitative psychology is served by several scientific organizations. These include the Psychometric ... Modeling and Psychological Methods . In August 2005, the APA expressed the need for more quantitative psychologists in the industry for every PhD awarded in the subject, there were about 2.5 quantitative psychologist position openings. ref http www.apa.org research tools quantitative quant task force report.pdf Report of the Task Force for Increasing the Number of Quantitative Psychologists ... universities offer Ph.D. programs in quantitative psychology within their psychology departments ... . ref http www.apa.org research tools quantitative index.aspx review Introduction to Quantitative Psychology ... a comparable number of Master level programs in quantitative psychology in the US. ref http www.apa.org ...   more details



  1. Quantitative fund

    industry, the total mutual fund asset that employ quantitative model is estimated to be over 400 billion US dollars 1 at the end of this June. What is the quantitative investment process A study of Fabozzi, Focardi and Jonas 2008 3 firstly identified an investment process as fundamental or Quantitative ... done by computer based models, the process can be classified as Quantitative . There is also ... combines both ways. Quantitative mutual fund versus hedged quant fund Another concept that might make people confused is that quantitative funds can be operated as a Hedge fund as well as a normal ... risk managements. On operating a quantitative fund For quantitative funds we are considering now ... finance not man machine 3 Challenges in Quantitative Equity Management, Frank J. Fabozzi ...   more details



  1. Quantitative investing

    Merge Quantitative analyst date May 2009 Refimprove date March 2009 Quantitative investing represents an investing technique typically employed by the most sophisticated, technically advanced hedge funds . These quant shops employ fast computers to find predictable patterns within financial data. Some of the larger quant shops include but are not limited to Renaissance Technologies Medallion Fund, D. E. Shaw & Co. , Barclay s Global Investments now known as Blackrock , Numerics , GMO, First Quadrant, Robeco , etc. Typically, quant investing is implemented by people who have spent time in the physics, math, computer science, or statistics disciplines. The condensed results of quantitative analyses, however, can be readily accessible to all far from quantitative investors, when presented in an intuitive framework. The process consists of thorough examination of vast databases searching for repeating patterns persistent occurrences of a phenomenon, correlations among liquid assets statistical arbitrage or pairs trading , or price movement patterns trend following or mean reversion . finance stub Category Investment Category Mathematical finance ...   more details



  1. Quantitative pharmacology

    cleanup date May 2009 Quantitative Pharmacology QP is an organized approach integrating individuals from different disciplines in a combined effort to develop quantitative model s in order to solve specific, complex, and multivariate problems in drug development . QP translates the relationship s between disease , drug action , and individual variability into improved patient outcomes by leveraging improved teamwork and collaboration to enable quantitative decision making processes from Drug discovery early discovery to late stage development. QP encourages more transparent and objective study designs, as well as more data driven risk taking to optimize timelines, analyses, and decision making, resulting in greater efficiency in the drug development process. Benefits Incorporation of QP methodologies will help gain a better understanding of the mechanism of drug disease interactions and identify molecular targets with high probability of impacting disease e.g., use of proteomics and cheminformatics in the development of drug disease models select the ideal drug candidate in early drug development e.g., integrated and mechanistic Pharmacokinetics PK Pharmacodynamics PD models optimize ... Jr, Lalonde RL. Introduction of quantitative methods in pharmacology and clinical pharmacology a historical ... JS. The role of quantitative pharmacology in an academic translational research environment. AAPS ... MJ, Sun RY. Globalization of quantitative pharmacology first international symposium of quantitative ... 2008 May 19. PMID 18490494 Holford N, Karlsson MO. Time for quantitative clinical pharmacology a proposal ... 17495873 Krishna R. Quantitative clinical pharmacology Making paradigm shifts a reality. J Clin ... of quantitative pharmacology in the development of HAE1, a high affinity anti IgE monoclonal antibody ... B. Concepts and Challenges in Quantitative Pharmacology and Model Based Drug Development. AAPS J. 2008 ... SR. Model based drug development the road to quantitative pharmacology. J Pharmacokinet ...   more details



  1. Quantitative Invisibility

    Refimprove date February 2012 In CAD CAM, quantitative invisibility QI is the number of solid bodies that obscure a point in space as projected onto a Plane geometry plane . Often, CAD engineers project a model into a plane a 2D drawing in order to denote edges that are visible with a solid line, and those that are hidden with dashed or dimmed lines. Algorithm Tracking the number of obscuring bodies gave rise to an algorithm that propagates the quantitative invisibility throughout the model. This technique uses edge coherence to speed calculations in the algorithm. However, QI really only works well when bodies are larger solids, non interpenetrating, and not transparent. A technique like this falls apart when applied to soft organic tissue as found in the human body, because there is not always a clear delineation of structures. Also, when images become too cluttered and intertwined, the contribution of this algorithm is marginal. Arthur Appel of the graphics group at Thomas J. Watson Research Center IBM Watson Research coined the term quantitative invisibility and used it in several of his papers. External links http wheger.tripod.com vhl vhl.htm Vector Hidden Line Removal and Fractional Quantitative Invisibility References refbegin Appel, A., The Notion of Quantitative Invisibility and the Machine Rendering of Solids, Proceedings ACM National Conference, Thompson Books, Washington, DC, 1967, pp.  387 393, pp.  214 220. refend Category 3D computer graphics ...   more details



  1. Quantitative analyst

    about analysts in finance analysts in chemistry Quantitative analysis chemistry A quantitative analyst is a person who works in finance using numerical or quantitative techniques. Similar work is done in most other modern industries, but the work is not always called quantitative analysis. In the investment industry, people who perform quantitative analysis are frequently called quants. See List of quantitative analysts . Although the original quantitative analysts were concerned with investment .... History Image Robert C. Merton.jpg thumb Robert C. Merton , a pioneer of quantitative analysis, introduced stochastic calculus into the study of finance. Quantitative finance started in the U.S. in the 1970s .... Education Quantitative analysts often come from physics, engineering, or mathematics backgrounds rather than economics related fields, and quantitative analysis is a major source of employment for people with physics and mathematics Ph.D s. Typically, a quantitative analyst will also need extensive ... Java . This demand for quantitative analysts has led to the resurgence in demand for actuarial qualifications ... are becoming more popular with students and with employers. See Master of Quantitative Finance Master of Financial Economics . Types of quantitative analyst Unreferenced section date June 2010 Front office quantitative analyst In trading and sales operations, quantitative analysts work to determine ... from trading but the boundary between a desk quantitative analyst and a quantitative trader is increasingly blurred, and it is now difficult to enter trading as a profession without at least some quantitative ... tools is not uncommon. Quantitative investment management Quantitative analysis is used extensively by asset managers. Some, such as AQR or Barclays, rely almost exclusively on quantitative strategies while others, such as Pimco, Blackrock or Citadel use a mix of quantitative and fundamental methods. Virtually all large asset managers and hedge funds rely to some degree on quantitative methods. ref ...   more details



  1. Anima locus

    Image Lugtonwaterdike.JPG thumb right 250px center A dike on the Lugton Water near old The Lands of Montgreenan Montgreenan castle . The Anima locus is the soul of a place, its essential personality. A concept linked to the supernatural spirits of nature as residing in stones, springs, mountains, islands, trees, etc. ref name Pennick Pennick, Nigel 1996 . Celtic Sacred Landscapes . Thames & Hudson. ISBN 0 500 01666 6. P. 13 15. ref Sites with strong anima loci gallery Image Duskwatergorge2.JPG center A view taken in the Dusk Water gorge from the Cleeves Cove cave or Elfhame. Image Duskwatergorge1.JPG center A view taken in the Dusk Water gorge from the Cleeves Cove cave or Elfhame. Image Carlinstonea.JPG center The Carlin stone near Craigends Farm, East Ayrshire, Scotland. Image Giffordland Moot.JPG center A semi natural Moot hill Moot Hill in the Giffordland, Ayrshire Giffordland Glen with old beech trees and the Auldmuir Burn. gallery References reflist External links http en.wikibooks.org wiki A Researcher 27s Guide to Local History Terminology A Guide to Local History Terminology Category Folklore Category Deities, spirits, and mythic beings myth stub ...   more details



  1. Quantitative research

    , quantitative research refers to the systematic empirical investigation of social phenomena via statistical ... location Los Angeles, Calif. isbn 1412941636 ref The objective of quantitative research is to develop ... of measurement is central to quantitative research because it provides the fundamental connection between empirical observation and mathematical expression of quantitative relationships. Quantitative ... 2008 In layman s terms, this means that the quantitative researcher asks a specific, narrow question .... Quantitative research is used widely in social sciences such as psychology , economics , sociology ... sciences such as physics is also quantitative by definition, though this use of the term differs ... are only hypotheses. Quantitative methods can be used to verify which of such hypotheses are true ... between 1935 and 2005 found that roughly two thirds of these articles used quantitative methods ... Factors . American Sociologist 39 290 306 ref Overview Quantitative research is generally ... In the social sciences particularly, quantitative research is often contrasted with qualitative ... and entities, in a manner that does not involve mathematical models. Approaches to quantitative psychology were first modeled on quantitative approaches in the physical sciences by Gustav Fechner ... is commonly drawn between qualitative and quantitative aspects of scientific investigation ... of phenomena and to form theories that can be tested using further quantitative research. For instance ... this person group say something and what did it mean to them? Kieron Yeoman . Although quantitative ... been counted, the modern idea of quantitative processes have their roots in Auguste Comte s positivist ... in quantitative research outside of the physical sciences, and also finds applications within the physical ... fields such as economics, social sciences and biology. Quantitative research using statistical ... . A fundamental principle in quantitative research is that correlation does not imply causation ...   more details



  1. Quantitative property

    mergeto Quantity date July 2009 Image Roberval.jpg thumb 300px right A scale for measuring mass A quantitative property is one that exists in a range of magnitudes, and can therefore be measurement measured with a number. Measurements of any particular quantitative property are expressed as a specific quantity, referred to as a Unit of measurement unit , multiplied by a number. Examples of physical quantities are distance , mass , and time . Many attributes in the social sciences, including abilities and personality traits, are also studied as quantitative properties and principles . Fundamental considerations in quantitative research Numbers obtained through an experimental procedure are considered measurements depends upon how measurement is defined. The nature of measurement depends upon the structure of a continuous quantity and the particular test method . The reason for this is that such theories and laws display a multiplicative structure for example Newton s second law . fact date March 2011 Continuous quantities are those for which magnitudes can be represented as real numbers and for which, therefore, measurements can be expressed on a continuum mathematics continuum . Continuous quantities may be scalar physics scalar or vector geometric vector quantities. For example, SI units are physical units of continuous quantitative properties, phenomena, and relations such as distance ..., imply that an attribute is quantitative. For example, judges routinely assign numbers ... quantitative structure in any sort of rigorous fashion. A researcher might also use the number 1 to mean ... numbers. A person s name is not, therefore, a quantitative property. Whether counts of objects ... of an underlying quantitative attribute, such frequencies will generally indicate relative magnitudes ... Qualitative data Quantitative research Quantity Unit of measurement DEFAULTSORT Quantitative Property Category Physical quantities Category Measurement cs Veli ina da Kvantitativ fr Variable quantitative ...   more details



  1. Quantitative revolution

    History of geography sidebar In the history of geography , the quantitative revolution QR or Quantitative Revolution References sup n sup was one of the four major turning points of modern geography the other three being environmental determinism , regional geography and critical geography . The quantitative ... geographical research, from regional geography into a spatial science . ref name UA The Quantitative ... gg3012 qrev.html AB12 . ref The main claim for the quantitative revolution is that it led to a shift from a descriptive idiographic geography to an empirical law making nomothetic geography. Note The quantitative ... new methods to counter critique. Under the somewhat misleading banner of the scientific method , the quantitative revolution began. The Revolution The Quantitative Revolution began in the universities .... First emerging in the late 1950s and early 1960s, the Quantitative Revolution responded to the rising ..., the quantitative revolution led to an increased use of computerized statistics statistical ... 2010 Some of the techniques that epitomize the quantitative revolution include ref name UA Descriptive ... work had a superior scientific pedigree. ref name UA Proponents of quantitative geography ... contribution of the quantitative revolution was the huge faith placed in multivariate analysis ..., be the undoing of the quantitative revolution. Many geographers became increasingly concerned ... dawned, the quantitative revolution came under direct challenge. ref name UA Post revolution Geography The greatest impact of the quantitative revolution was not the revolution itself but the effects ... of spatial statistics and modelling within geography. Eventually the quantitative revolution had its ... Critical geography . The quantitative revolution also changed the structure of geography departments ... 18586 0. See also Geostatistics History of geography Quantitative methods Scientific method Positivism ... 3 04 3.pdf http www.socsci.umn.edu bongman gisoc99 new schuurman.htm DEFAULTSORT Quantitative Revolution ...   more details



  1. Quantitative history

    Quantitative History is an approach to history historical research that makes use of Quantitative research quantitative , statistical and computer tools. It is considered a branch of social science history and has three leading journals Historical Methods 1967 , ref http www.heldref.org hm.php Historical Methods online ref Social Science History 1976 , ref http ssh.dukejournals.org Social Science History online ref and the Journal of Interdisciplinary History 1968 . ref http muse.jhu.edu journals jih Journal of Interdisciplinary History online ref Data bases social and political Quantitative historians start with data bases. Large quantities of economic and demographic data are available in print format. The quantifiers held move these into computerized data bases. The largest repository is the Inter ..., and Robert William Fogel, eds. The Dimensions of Quantitative Research in History Princeton University ..., Holt, 1971 Krieger 1973 detailed textbook of quantitative political and social history with bibliography ... Press, 1983 . Debate over merits. Haskins, Loren and Kirk Jeffrey. Understanding Quantitative ... Pat Hudson Hudson, Pat . History by Numbers An Introduction to Quantitative Approaches Arnold, 2000 ... A. Hardy, Quantitative Methods for Historians A Guide to Research, Data, and Statistics University of North Carolina Press, 1991 . textbook Kousser, J.M., History QUASSHed quantitative social scientific ..., ed. The Dimensions of the Past Materials, Problems and Opportunities for Quantitative Work in History, Yale UP 1972 Kimberly A. Neuendorf. The Content Analysis Guidebook 2002 Rowney, D.K., ed. Quantitative History Selected Readings in the Quantitative Analysis of Historical Data, 1969 Swierenga, Robert ... of Michigan http visualstatistics.net East West Quantitative 20History QuantitativeHisttory.htm Quantitative History Category Fields of history Category Theories of history Category Social sciences methodology Category Quantitative research es Historia cuantitativa fr Histoire quantitative ...   more details



  1. Quantitative linguistics

    Linguistics Quantitative linguistics is a sub discipline of general linguistics and, more specifically, of mathematical linguistics . Quantitative Linguistics QL deals with language learning, language change, and application as well as structure of natural languages. QL investigates languages using statistical ..., Rajmund G. Piotrowski Hrsg. Quantitative Linguistik Quantitative Linguistics. Ein internationales ... . In Reinhard K hler, Gabriel Altmann, Rajmund G. Piotrowski Hrsg. Quantitative Linguistik Quantitative Linguistics. Ein internationales Handbuch. de Gruyter, Berlin New York 2005, S. 760 774 ... to the History of Corpus and Quantitative Linguistics. Greek Antiquity. In Glottotheory 1, 2008, S. 48 54. ref Language laws in quantitative linguistics In QL, the concept of law is understood ... a sub discipline of Quantitative Study of Literature stylometrics . ref Alexander Mehler Eigenschaften ... Hrsg. Quantitative Linguistik Quantitative Linguistics. Ein internationales Handbuch. de Gruyter, Berlin New York 2005, p. 325 348, esp. Quantitative Stilistik , p. 339 340. ISBN 3 11 015578 8 Vivien ... Hrsg. Quantitative Linguistik Quantitative Linguistics. Ein internationales Handbuch . de Gruyter ... 1926 . The Founder of Japanese Quantitative Linguistics. In Glottometrics 10, 2005, p. 99 107. ref Augustus ... Gesetz ref L.A. Sherman Juhan Tuldava 1922 2003 ref Journal of Quantitative Linguistics 4 ... Hoffmann Bibliography of Quantitative Linguistics. Benjamins, Amsterdam Philadelphia 1995, ISBN 90 272 3751 4. Reinhard K hler, Gabriel Altmann, Gabriel, Rajmund G. Piotrowski eds. Quantitative Linguistik Quantitative Linguistics. Ein internationales Handbuch An International Handbook . de Gruyter, Berlin New York 2005, ISBN 3 11 015578 8. Notes reflist External links IQLA International Quantitative Linguistics Association http www.iqla.org Category Quantitative linguistics Category Quantitative research cs Kvantitativn lingvistika de Quantitative Linguistik nl Mathematische taalkunde ...   more details



  1. Quantitative easing

    pp semi small yes Public finance Quantitative easing QE is an unconventional ref cite news url http www.economist.com ... target value. A central bank implements quantitative easing by purchasing financial assets from ... name BOE QE Explained pdf cite book title Quantitative Easing Explained year 2011 publisher Bank of England ... title Quantitative Easing url http www.bankofengland.co.uk publications quarterlybulletin qb090201.pdf ... of central bank money ref ref name bbcnews ref name BOE QE Explained web cite web title Quantitative ... news title Guardian Business Glossary Quantitative Easing url http www.guardian.co.uk business 2008 ... zero , normal monetary policy can no longer lower interest rates. Quantitative easing may then be used ... out on the yield curve . ref name Q&A Quantitative easing cite web url http www.frbsf.org education ... 4 April 2011 ref Quantitative easing can be used to help ensure inflation does not fall below ... 05 news economy Fed quantitative easing index.htm first Chris last Isidore publisher CNNMoney.com title Federal Reserve move toward quantitative easing poses risks date 5 Oct 2010 accessdate 25 Jun 2011 ... bank may perform quantitative easing by purchasing a pre determined amount of bonds or other ... news title Q&A Quantitative easing date 9 March 2009 url http news.bbc.co.uk 1 hi business 7924506.stm ... ?id 1862 title Quantitative easing uncharted waters for monetary policy first James last Bullard ... cite news title Quantitative easing A therapy of last resort url http www.nytimes.com 2009 01 11 business ... 2010 date 1 January 2009 ref ref cite news title Quantitative easing last resort to get credit moving again url http www.guardian.co.uk business 2009 jan 29 question and answer quantitative easing publisher ... London ref Quantitative easing, and monetary policy in general, can only be carried out if the central ... unilaterally expand their money supply, and thus cannot employ quantitative easing. They must ... In Japan The original Japanese expression for quantitative easing , ry teki kin y kanwa ...   more details



  1. Quantitative metathesis

    Sound change Quantitative metathesis or transfer of quantity ref name general Herbert Weir Smyth Smyth , Greek Grammar , http www.ccel.org s smyth grammar html smyth 1b uni.htm 34 paragraph 34 on Christian Classics Ethereal Library CCEL transfer of quantity ref is a specific form of metathesis linguistics metathesis or transposition a sound change involving quantity or vowel length . By this process, two vowel s near each other one long, one short switch their lengths, so that the long one becomes short, and the short one becomes long. In theory, the definition includes both long short short long and short long long short, but Ancient Greek , which the term was originally created to describe, displays only the former, since the process is part of long vowel shortening. Greek In the Attic Greek Attic and Ionic Greek Ionic dialects of Greek, o and a often exchange length, becoming e and e . ref name general This quantitative metathesis is more accurately described as one form of long vowel shortening. Usually if quantitative metathesis affects a word, other kinds of shortening do as well, in the forms where quantitative metathesis cannot occur wo e quantitative metathesis ws ews shortening of long diphthong before consonant i ei analogical shortening In general, the vowels affected by this shortening were separated by the Proto Indo European language Proto Indo European semivowel semivocalic versions of u or i , usually deletion phonology deleted in later Greek w written ... in the masculine first declension sometimes undergoes quantitative metathesis ref Smyth, http ..., oi of the ending to , i . Sometimes this is quantitative metathesis ref name attic declension Smyth ... meter poetry Greek and Latin meter . Some forms exemplify the quantitative metathesis type of shortening ..., no quantitative metathesis occurs ref name shortening unicode basil n basil n ... vowel shortening, and quantitative metathesis in the oblique case oblique forms ref name general ...   more details




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