Infobox book See Wikipedia WikiProject Novels or Wikipedia WikiProject Books name QSquared title orig translator image image caption author Peter David cover artist country United States language English language English series Star Trek The Next Generation genre Science fiction publisher Pocket Books release date July 1994 media type Print Hardcover , Paperback pages isbn 0 671 89151 0 oclc 32912868 preceded by followed by QSquared full title Star Trek The Next Generation &ndash QSquared is a non canon Star Trek novel by acclaimed author Peter David . It spent two weeks on the New York Times bestseller list in 1994. QSquared was released in July 1994 as one in a series of Giant Novels for the Star ... eAudio formats. memoryalpha article QSquared Star Trek publications Star Trek Category 1994 novels Category Star Trek novels Category Novels by Peter David cs Q na druhou ... the characters of Q Star Trek Q from Star Trek The Next Generation and Trelane from Star Trek The Original ... , is revealed to be a member of the Q Continuum . He taps into the power of the continuum and uses ... Generation episode Yesterday s Enterprise , where the Federation is at war with the Klingons. Q, who had been charged with the task of mentor ing Trelane a task each adult Q must accept at least once for an adolescent Q , enlists the aid of Picard and the crew of the Enterprise D in the three different ... the other two universes are really Klingon impostors. Eventually, Q manages to overpower Trelane and the universes ... A Data appears to be stuck in Track C . Q also spends part of the novel lost in time and space, as the barrier ... over the length of the book together, concluding with Q s final confrontation with the now insane Trelane. Q Connections The role of Q Star Trek Q was originated by John de Lancie in the first episode ... of the novel in the audio book edition. Peter David previously wrote the novel Q in Law for Pocket Books . This novel also featured the main character of Q and was based in the continuity of Star ... more details
Time Squared may refer to Time Squared, two graphic novels by Howard Chaykin Time Squared Star Trek The Next Generation Time Squared Star Trek The Next Generation , the 39th episode of the television series Star Trek The Next Generation Time Squared Academy High School , high school specializing in mathematics, engineering, and science disambig ... more details
The term chi squared or math alt chi 2 math has various uses in statistics chi squared distribution , a continuous probability distribution chi squared statistic , a statistic used in some statistical tests chi squared test , name given to some tests using chi squared distribution chi squared target models , a mathematical model used in radar cross section disambiguation eu Khi karratu he sk Ch kvadr t ... more details
delusion squared ref http DelusionSquared.com Official website ref is a progressive rock band from France . The band was created in 2009 by Steven Francis , Emmanuel de Saint M en and Lorraine Young , and released its eponymus debut album in September 2010. Their music can be classified as Crossover Prog or Art Rock according to the ProgArchives gurus ref http www.progarchives.com artist.asp?id 5951 Delusion Squared Band page at ProgArchives.com. ref and has been found to be close to a female fronted Porcupine Tree ref http harmoniclizard.com ?q node 484 Review Harmonic Lizard Progressive Rock News Portal ref . It has received considerable attention from its release, with notable reviews from Ravenheart Music ref http www.ravenheartmusic.com products group 55.html Review Ravenheart Music. ref , Strutter zine ref http strutterzine.angelfire.com HOTNEWREVIEWS.htm Review Strutter zine. ref , Music Street Journal ref http www.musicstreetjournal.com index cdreviews display.cfm?id 102742 Review Music Street Journal. ref , and is also album of the month at http newears.org newears.org ref http newears.org Short review NewEars.com ref . These reviews compare Delusion Squared s music to Porcupine Tree but also to Anathema band Anathema , The Pineapple Thief , Ayreon , Phideaux . Their debut work is a concept album unraveling a dark sci fi story in which a young girl, who was born in a post nuclear techno society, revolts against her condition and the AI supremacy and decides to give birth to a natural child. Due to copyright laws which extend to modified genes, she is found guilty of gene piracy and abandoned on the polluted outside. There she meets survivors, and becomes a spiritual ... has ever played live or will be going to. Discography Delusion Squared self released, 2010 Delusion Squared II self released, 2012 Personnel The band Lorraine Young Guitars, Vocals Steven Francis ... progressive rock groups DEFAULTSORT Delusion Squared Band ... more details
E squared may refer to E , an episode of Star Trek Enterprise E Squared Records , a music label founded by Steve Earle and Jack Emerson disambig ... more details
Orphan date February 2009 Infobox Company company name JD Squared, Inc. company logo File JD Squared logo.gif company type Private company Private foundation 1982 location Ocala, Florida key people Robert Hughes, Owner & Chief Engineer industry Tube and pipe benders homepage http www.jd2.com www.jd2.com JD Squared, Inc. is a United States manufacturer of tube and pipe benders . Founded in 1982 and based in Johnson City, Tennessee , the company has manufactured fabrication tools since 1982, starting with tube and pipe benders and later expanding to other fabrication tools. JD Squared is a privately owned Florida corporation . Robert Hughes is the owner and Chief Engineer. History JD Squared, Inc. was originally founded under the name Hughes Performance Engineering in 1982. In 1983 they designed and released the Model 1 tube bender. The Model 1 Bender became popular because it was one of the few affordable manual tube benders on the fabricating market. However, the Model 1 Bender could only bend 90 degrees. In 1988 JD Squared released the Model 2 Tube bender with 180 degree bend capability. In 1992 the company changed its name to JD Squared, Inc. and released the Model 3 Tube Bender. Products Tools currently manufactured by JD Squared include the Model 3 Tube Bender, the Model 4 Tube Bender, TN 100 Tube Notcher, the Notch Master Tube Notcher, and the Beast Tube Notcher. See also Tube and pipe benders External links http www.jd2.com JD Squared,Inc. http www.jd2.com.au JD Squared Australia Category Companies based in Florida Category Marion County, Florida Category Companies established in 1982 ... more details
File Google Squared logo.png right Google Squared was an information extraction and relationship extraction product from Google . ref Dan Crow, Google Squared Web scale, open domain information extraction and presentation http static.googleusercontent.com external content untrusted dlcp research.google.com en us pubs archive 36641.pdf PDF ref It was announced on May 12, 2009 and was launched on Google Labs on June 3, 2009. ref name bbc cite web publisher BBC News title Google unveils smarter search url http news.bbc.co.uk 2 hi technology 8047076.stm accessdate 2009 06 04 date 2009 05 13 first Maggie last Shields ref As part of the phasing out Google Labs, Google Squared was shut down on September 5, 2011. ref cite news url http searchengineland.com google squared news timeline get added to googles chopping block 90549 publisher Search Engine Land title Google Squared, News Timeline Get Added To Google s Chopping Block accessdate 2011 10 15 date 2011 08 25 first Matt last McGee ref Squared was developed at Google s New York office. ref cite news publisher The Register url http www.theregister.co.uk 2009 05 13 google squared title Google crossbreeds search with spreadsheet first Cade last Metz date 2009 05 13 accessdate 2009 06 04 ref It was the first significant effort by Google to understand information on the web and present it in new ways. ref cite news url http bits.blogs.nytimes.com 2009 05 12 google revs up search features publisher The New York Times title Google Revs Up Some New Search Features accessdate 2009 06 04 date 2009 05 12 first Miguel last Helft ref Google Squared ... Johnson of Search Engine Watch described Squared as quite possibly ... one of Google s significant ... Search Options, Previews Google Squared publisher Search Engine Watch date 2009 05 12 first Nathania ... Inc. Category Google services Squared Category Semantic Web web stub es Google Squared pt Google Squared zh Google Squared ... more details
refimprove date June 2011 Primary sources date March 2012 Intelligence Squared is a UK based organisation that stages debates around the world. It began in London, but now operates globally in the US , Australia , Hong Kong , Ukraine and Nigeria . The debates are held in the traditional Oxford Union Debating Oxford style , with as many as 2,500 people attending some events. Debate format Typically, a motion for debate is proposed and outlined by the chair, with a panel of two or three speakers each arguing for and against the motion. Previous speakers have included Stephen Fry , Richard Dawkins , Tony Blair and Christopher Hitchens . The audience is asked to vote before the debate, and then again after all the speeches have been made, to see which side has persuaded the most people to change ... of each panel before the final vote is taken. Intelligence Squared online The website holds a full archive ... IQ2 event. In November 2009, Intelligence Squared held their first event in partnership with Wellington ... events atheism Atheism is the New Fundamentalism , Intelligence Squared ref This was the first Intelligence Squared debate to be streamed live on the internet, and it featured questions and comments in real time from people following the debate on Twitter. Intelligence Squared on TV Intelligence Squared debates have also been broadcast globally on BBC World to audiences of up ... Squared in the US In September 2006, Intelligence Squared U.S. http intelligencesquaredus.org , was launched ... respectable and often persuasive viewpoints. Intelligence Squared U.S. encourages citizens ... NPR stations nationwide. Intelligence Squared U.S. attracts top tier thinkers and the world s leading .... History Intelligence Squared is a company set up by two media businessmen, Jeremy O Grady and John ... Intelligence http www.iq2oz.com Intelligence Squared Australia Category Debating ms Intelligence Squared ... more details
Infobox Album See Wikipedia WikiProject Albums Name Get Squared Type Album Artist P Square Cover Getsquared.JPG Released start date 2005 17 Recorded 2005 Genre R&B Length 59 24 Label Square Records Producer Reviews Last album Last Nite P Square album Last Nite br 2004 This album Get Squared br 2005 Next album Game Over P Square album Game Over br 2007 Get Squared is the second album by P Square . It was released in July 2005. This propelled the group to being musical superstars in their native Nigeria. With the success of the singles, Bizzy Body , Oga Police and Get Squared , the group established their celebrity status and sold over 5 million copies all over the country. The album was released under the Square record label and numerous videos were released from the album. The album s track list features a few select instrumentals, a trait of most P Square albums. It was heavily criticized for over sampling of western R&B hits and lacking of true original content. Track listing Story 4 32 Bizzy Body 4 45 Oga Police 3 45 Get Squared 4 26 Say Your Love 5 09 Your Name 4 20 Temptation Written by 2me 4 42 Omoge Mi 4 31 E Don Happen 4 27 Your Name Remix 4 49 Bizzy Body Instrumental 5 09 Get Squared Instrumental 4 27 E Don Happen Instrumental 4 22 External links http www.mypsquare.com The Official P Square Website with songlyrics Category 2005 albums 2000s R&B album stub ... more details
Infobox game title The Squared Circle subtitle Wrestling RPG image File tsc coversmall.jpg 250px caption The Squared Circle Wrestling RPG cover designer Eric Moreau publisher Day Dreamer Interactive date August 2008 genre Professional Wrestling system The Squared Circle The Squared Circle abbreviated TSC is a role playing game published by Day Dreamer Interactive , in which players play professional wrestling professional wrestlers who work their way to super stardom. Setting The Squared Circle takes place in an alternate reality called The Wrestleverse where wrestling is a very real combat sport. The focus of the book revolves around a wrestling company called New Era Wrestling NEW which is the biggest wrestling promotion worldwide. Players may also create their own wrestling promotions for their games. Products The core rulebook is available in paperback and hardback forms. Three sourcebooks have been released Lucha Libre , about wrestling in Mexico, Puroresu , about wrestling in Japan and The 80 s about the early days of wrestling. The Rise Of a Legend Adventure Series was also released on January 1rst 2010 and is a solo adventure path that uses a format similar to the Choose Your Own Adventure books. Currently the adventure path is released monthly with each Issue leading your character s through one month of game time. There are currently 6 Issues released and several different paths which allows for some limited replay value with new characters. References Cite book last Moreau first E. year 2008 title The Squared Circle Wrestling RPG publisher Day Dreamer Interactive isbn 978 0 9810306 0 9 Cite book last Moreau first E. year 2009 title The Squared Circle Lucha Libre publisher Day Dreamer Interactive isbn 978 0 9810306 2 3 Cite book last Moreau first E. year 2009 title The Squared Circle Puroresu publisher Day Dreamer Interactive isbn 978 0 9810306 3 0 Cite book last Moreau first E. year 2009 title The Squared Circle The 80 s publisher Day Dreamer Interactive isbn ... more details
Hero Squared is an USA American comic book series published by Boom Studios . Originally a limited series, it is written by Keith Giffen and J.M. DeMatteis and illustrated by Joe Abraham artist Joe Abraham . The series follows the superhero Captain Valor as he adjusts to a new life in an alternate universe alongside Milo, a normal version of himself, and Milo s girlfriend Stephie, an alternate incarnation of Valor s arch enemy Caliginous. MAKE IT MORE DECENT BEFORE REINTRODUCING IT Synopsis Mini Series Ongoing series Captain Valor mostly berates Milo, his non superpowered, slacker incarnation, while Milo s girlfriend Stephie has a chat with Valor s nemesis, Calignous. As Caliginous leaves, she tells Stephie that Milo slept with her. Milo decides that Valor and he should go to see therapist Doctor Tolstoy. Milo and Valor argue constantly until Valor explains that Caliginous became evil because he broke up with her when villains breached the Brigade, and shortly after, slept with another woman, embittering her. Captain Valor expresses his constant guilt at the loss of his homeworld. The two leave when the session ends. Publication history In 2004 in comics 2004 , the Hero Squared X Tra Sized Special one shot was published by Atomeka Press , leading to a 2005 in comics 2005 three issue limited series by Boom . As a result, in 2006 in comics 2006 Hero Squared became an ongoing series which lasted for six issues. ref http pwbeat.publishersweekly.com blog 2007 06 29 hero squared ends at boom ref A trade paperback, collecting the one shot and miniseries was published as well. In January 2009, another 3 issue mini series began, titled Hero Squared Love and Death . ref http www.comicbookdb.com title.php?ID 22341 ref These three issues are meant to wrap up the story left unfinished ... forums showthread.php?s &threadid 17478 Giffen and DeMatteis interview about Hero Squared ... comics stub it Hero Squared ... more details
Infobox Album See Wikipedia WikiProject Albums Name Claudia Squared Type Album Artist Claudia Christian and Claudia Cummings Cover AlbumCover TheClaudias.jpg Released 1996 Claudia Squared Claudia Squared ref cite web title ClaudiaChristian.net url http www.claudiachristian.net bio.htm accessdate 2004 04 22 archiveurl http web.archive.org web 20040422171312 http www.claudiachristian.net bio.htm archivedate 2004 04 22 ref ref cite web title ZardProductions.com url http www.zardproductions.com career.htm music accessdate 2004 04 22 archiveurl http web.archive.org web 20040411123307 http www.zardproductions.com career.htm music archivedate 2004 04 11 ref or Claudia or The Claudias is collaboration between Claudia Christian and Claudia Cummings hence the title . The two of them wrote and sang all the songs contained on the CD. Claudia Christian has also sung on Taboo Claudia Christian album Taboo , Once Upon a Time Claudia Christian album Once Upon a Time , and The Be Five Track listing So Far Away Black Horse Rain Don t Promise Taboo Undertow Masquerade Where does the Love go I Love the Girls References references 1990s album stub Category 1996 albums Category Claudia Christian albums ... more details
See also Least squares Mean squared error Partition of sums of squares Residual sum of squares In probability theory and statistics , the definition of variance is either the expected value when considering a theoretical probability distribution distribution , or average value for actual experimental data , of squared deviations from the mean. Computations for analysis of variance involve the partitioning of a sum of squared deviations . An understanding of the complex computations involved is greatly enhanced by a detailed study of the statistical value math operatorname E X 2 . math It is well known that for a random variable math X math with mean math mu math and variance math sigma 2 math math sigma 2 operatorname E X 2 mu 2 math ref Mood & Graybill An introduction to the Theory of Statistics McGraw Hill ref Therefore math operatorname E X 2 sigma 2 mu 2. math From the above, the following are easily derived math operatorname E left sum left X 2 right right n sigma 2 n mu 2 math math operatorname E left left sum X right 2 right n sigma 2 n 2 mu 2 math Sample variance The sum of squared deviations needed to calculate variance before deciding whether to divide by n or n &minus ... 2 math Sums of squared deviations Under the null hypothesis, the difference of any pair of I , T , and C ... E I C n 1 sigma 2 math total squared deviations aka total sum of squares math operatorname E T C k 1 sigma 2 math treatment squared deviations aka explained sum of squares math operatorname E I T n k sigma 2 math residual squared deviations aka residual sum of squares The constants n &minus ... Total squared deviations 66 &minus 51.2 14.8 with 4 degrees of freedom. Treatment squared deviations 62 &minus 51.2 10.8 with 1 degree of freedom. Residual squared deviations 66 &minus 62 4 with 3 degrees ... of squared deviations required for the analysis of variance can be calculated. class wikitable Factor ... Environment 519.2679 2 1 &minus 1 Composite 504.6 1 &minus 1 &minus 1 &minus 1 1 Squared deviations ... more details
Orphan date January 2011 barelinks date May 2011 Shakespeare Squared is a content development company in the United States. The company creates print and digital products for educational and trade book publishers. Their work includes standards based writing and editing for preK 12 textbooks and workbooks, specialized assessment and test preparation materials, translations, and online content development. ref http www.shakespearesquared.com Home . ref image ShakespeareSquaredLogo.JPG thumb The company s office is in Northbrook, IL . In addition to a small in house staff, the company utilizes a network of more than 2000 freelance editors, writers, and other contributors. ref http www.shakespearesquared.com aboutus About Us . ref History Shakespeare Squared was co founded in 2003 by Kim and Jay Kleeman. High school teachers themselves, the Kleemans decided to join their expertise in language and literature and math and science to offer comprehensive development services across all disciplines and media. While Jay stayed in the classroom, Kim continues to serve as the company s President and CEO. ref http www.suntimes.com chicago know 615007,CST NWS this23.article Kim Kleeman ref ref http www.neiu.edu alumni kleeman.html Jay Kleeman Establishes Student Teaching Scholarship ref Divisions While Shakespeare Squared has its roots in the educational publishing industry, the company expanded ... Products Shakespeare Squared has created projects for CB Richard Ellis , Honor Flight Chicago, Houghton ... inc5000 2007 company profile.html?id 200703290 No. 329 Shakespeare Squared ref Working Mother Best ... 162&sp 228 Working Mother Shakespeare Squared ref Business Ledger s Entrepreneurial Excellence ... watch?v riZoSV6I1A0 Kim Kleeman of Shakespeare Squared on MSNBC 2.17.2008 ref Inc. Magazine ... The Way I Work ref Shia Kapos, Kim Kleeman s Shakespeare Squared Accused of Not Paying Writers, Crain ... Reflist External links http www.shakespearesquared.com Shakespeare Squared Official Website ... more details
of Babylon Squared is seen in the third season episode War Without End Babylon 5 War Without ... links Lurker 020 IMDb episode 0517631 Babylon Squared B5 cent yes Babylon 5 S1 Category Babylon ... more details
uc Q lc qQ English alphabet Letter names named cue IPAc en k ju ref Q Oxford English Dictionary ... . History class wikitable bgcolor EEEEEE Egyptian hieroglyph br wj Phoenician br qoph Etruscan Q ... based on an Egyptian hieroglyph was IPA q voiceless uvular plosive , a sound common to Semitic ... and Q were all used to represent the sounds k and g which were not differentiated in writing . Of these, Q .... Later, the use of C and its variant G replaced most usages of K and QQ survived only to represent ... used Q in conjunction with V to represent IPA k Usage In most modern western languages written in Latin script, such as in Romance language Romance and Germanic languages , q appears almost ... Q not followed by U Q without U . In English language English this digraph most often denotes the cluster IPA kw , except in borrowings from French where it represents IPA k as in plaque . Q is the second most rarely used letter in the English alphabet . In script written English, the capital Q is very close in appearance to a 2, and many people use the print Q instead. In Albanian language Albanian , q represents the voiceless palatal plosive IPA c . In Azerbaijani language Azeri , q represents the voiced velar plosive IPA . In Chinese language Chinese Hanyu Pinyin , q is used to represent ... of the mouth. In Fijian language Fijian , q represents the Prenasalized consonant prenasalized ... language Aymara , q represents the voiceless uvular plosive IPA q . In Italian language Italian qu represents IPA kw where IPA w is the semivowel allophone of IPA u . In Kiowa language Kiowa , q represents a glottalized velar plosive IPA k . In Maltese language Maltese and V ro , q represents ... , q represents the voiceless uvular plosive IPA q . In Xhosa language Xhosa and Zulu language Zulu , q represents the postalveolar click IPA k . File Q and g comparison.svg thumb right 150px A comparison of q and g. This image belongs with the text below, but is placed here so that it does not run ... more details
refimprove date November 2011 Orphan date February 2009 Q Be is a digital audio player manufactured in South Korea . It is imported in the United Kingdom and sold in many of the large electronic stores such as Currys . It has an Organic light emitting diode display. ref cite news url http www.highbeam.com doc 1G1 139020853.html title Hot New Product Supportplus Q BE. The smallest music player in the world? last Reid first Rory date 24 November 2005 work Computer Act ve accessdate 25 November 2011 ref It is available in 256Mb, 512Mb and 1Gb memory variants. Its built in battery electricity battery is recharged using the same USB cable that is used to transfer data to the device, the cable is inserted into the headphone socket. The Q Be is identical to the MobiBLU DAH 1500i . When introduced, Q Be claimed to be the world s smallest DAP in terms of cubic volume, although the player itself is cubical and therefore thicker than all of Apple s iPods . In September 2006 Apple launched their iPod Shuffle, which is smaller in overall size and volume Citation needed date February 2007 than the Q Be but lacking a display. See also Cube2 References reflist Category Digital audio players product stub ... more details
Infobox television show name Q A image caption show name 2 genre Current affairs news format Current affairs creator producer Tim Watkin creative director developer presenter Paul Holmes broadcaster Paul Holmes voices narrated theme music composer opentheme endtheme composer country New Zealand language English language English num seasons num episodes list episodes executive producer producer supervising producer asst producer co producer editor story editor location TVNZ Centre Auckland , New Zealand cinematography camera runtime 60 minutes network TVNZ picture format 576i Standard definition television SDTV first run first aired last aired preceded by Agenda TVNZ programme Agenda followed by related website http tvnz.co.nz q and a news Q A is a New Zealand current event and political talkshow. ref http tvnz.co.nz q and a news ref It is hosted by Paul Holmes broadcaster Paul Holmes , with interviews conducted by Guyon Espiner and expert analysis with Therese Arseneau . The show airs live from the TVNZ Centre on Sundays from 9 to 10am on TV One New Zealand TV ONE , and reshows later that day from 9 10pm to 10 00pm on TVNZ 7 . History Q A premiered on the 22 March 2009 as a replacement for Agenda TVNZ programme Agenda . Following the death of Holmes mother, Mark Sainsbury filled in for one week. ref http tvnz.co.nz q and a q and s2 e5 video 2917174 ref Format The programme starts off every week with a week that was style run through of the main political events that week. Holmes will then introduce the panel usually made up of Arseneau and a political observer and a former politician Following that Espiner will conduct an interview with a politician either in the studio or on location and Holmes will lead the panel through a discussion about the responses the interviewee gave. After an ad break Holmes will conduct a more relaxed interview with a former politician or political observer, with Holmes again leading the panel through discussing what will be the big stories ... more details
of their squares, math Q sum i 1 k Z i 2 , math is distributed according to the chi squared distribution with k degrees of freedom. This is usually denoted as math Q sim chi 2 k text or Q sim chi 2 k . math The chi squared distribution has one parameter k a positive integer that specifies the number ...Otheruses4 the mathematics of the chi squared distribution its uses in statistics chi squared test the music ... function of the central chi squared distribution author M.A. Sanders accessdate 2009 03 06 ref In probability theory and statistics , the chi squared distribution also chi square or nowrap ... handbook eda section3 eda3666.htm Engineering Statistics Handbook Chi Squared Distribution ref ... isbn 0 07 042864 6 ref When there is a need to contrast it with the noncentral chi squared distribution , this distribution is sometimes called the central chi squared distribution . The chi squared distribution is used in the common chi squared test s for goodness of fit of an observed distribution ... also use this distribution, like Friedman test Friedman s analysis of variance by ranks . The chi squared ... Further properties of the chi squared distribution can be found in the box at the upper right ... squared distribution is math f x ,k begin cases frac x k 2 1 e x 2 2 k 2 Gamma left frac k 2 right ... of the pdf in the cases of one and two degrees of freedom, see Proofs related to chi squared distribution ..., see Noncentral chi squared distribution Approximation under Noncentral chi squared distribution . Additivity It follows from the definition of the chi squared distribution that the sum of independent chi squared variables is also chi squared distributed. Specifically, if X sub i sub sub i 1 sub sup n sup are independent chi squared variables with k sub i sub sub i 1 sub sup n sup degrees of freedom, respectively, then nowrap Y X sub 1 sub X sub n sub is chi squared distributed with nowrap ... 1 frac k 2 right psi left frac k 2 right , math where x is the Digamma function . The Chi squared ... more details
This article was started in British English and so makes extensive use of chi squared rather than chi sqaure In probability theory and statistics , the specific name generalized chi squared distribution ... squared distribution . There are several other such variants for which the same term is sometimes used, or which clearly are generalizations of the chi squared distribution, and which are treated ... squared distribution and the gamma distribution , while the generalized gamma distribution is outside this family. The type of generalisation of the chi squared distribution that is discussed here is of importance ... of squares to an asymptotic distribution asymptotically valid generalized chi squared distribution ... One formulation of the generalized chi squared distribution is as follows. ref name Jones1 Let ... chi squared distribution with parameters A and B . Note that there is some redundancy in this formulation ... squared distribution is obtained by extending the above consideration in two ways firstly, to allow ... Z 0 , math where the Y sub i sub represent random variables having different noncentral chi squared ... standard normal term and or have central rather than non central chi squared distribution ... distribution function of the generalized chi squared distribution has been published, ref ... distributed variables is of importance or identically, the sum of squared magnitudes complex normal ... variables with mean 0 and variance math sigma i 2 math , then the random variable math tilde Q sum i 1 k Z i 2 math has a generalized chi squared distribution of a particular form. The difference from the standard chi squared distribution is that math Z i math are complex and can have different variances, and the difference from the more general generalized chi squared distribution is that the relevant scaling matrix A is diagonal. If math mu sigma i 2 math for all i , then math tilde Q math , scaled down by math mu 2 math i.e. multiplied by math 2 mu math , has a chi squared distribution , math ... more details
Probability distribution name Noncentral chi squared type density pdf image Image Chi Squared nonCentral pdf.png 325px cdf image Image Chi Squared nonCentral cdf.png 325px parameters math k 0 , math degrees ... Q frac k 2 left sqrt lambda , sqrt x right math with Marcum Q function math Q M a,b math mean math ... 2it right 1 2it k 2 math In probability theory and statistics , the noncentral chi squared or noncentral math chi 2 math distribution is a generalization of the chi squared distribution . This distribution ... is perhaps asymptotically a chi squared distribution important examples of such tests are the likelihood ... according to the noncentral chi squared distribution. It has two parameters math k math ... as a derivative of the multivariate normal distribution . While the central chi squared distribution is the squared Euclidean distance norm of a random vector with math N 0 k,I k math distribution i.e., the squared distance from the origin of a point taken at random from that distribution , the non central math chi 2 math is the squared norm of a random vector with math N mu,I k math distribution ... k, lambda sum i 0 infty frac e lambda 2 lambda 2 i i f Y k 2i x , math where math Y q math is distributed as chi squared with math q math degrees of freedom. From this representation, the noncentral chi squared distribution is seen to be a Poisson weighted mixture density mixture of central chi squared ... 2 math , and the conditional distribution of Z given math J i math is chi squared with k 2i degrees of freedom. Then the marginal distribution unconditional distribution of Z is non central chi squared ... distribution function Again using the relation between the central and noncentral chi squared ... 2 sum j 0 infty frac lambda 2 j j Q x k 2j math where math Q x k , math is the cumulative distribution function of the central chi squared distribution with k degrees of freedom which is given by math Q x k frac gamma k 2,x 2 Gamma k 2 , math and where math gamma k,z , math is the incomplete Gamma ... more details
Distinguish2 Tsallis statistics The Q statistic is a test statistic output by either the Box Pierce test or, in a modified version which provides better small sample properties, by the Ljung Box test . It follows the chi squared distribution . See also Portmanteau test . The q statistic or studentized range statistic is a statistic used for multiple significance testing across a number of means see Tukey Kramer method . Unreferenced date July 2010 Category Statistical tests statistics stub de Q Statistik ... more details
Del squared may refer to The Laplace operator , a differential operator often denoted by the symbol sup 2 sup . Aitken s delta squared process , a numerical analysis technique used for accelerating the rate of convergence of a sequence. See also Del , a vector calculus differential operator. Nabla symbol , the symbol used for the Del operator. disambig ... more details
Cleanup date April 2008 Chi squared test is often shorthand for Pearson s chi squared test . A chi squared ... hypothesis test in which the sampling distribution of the test statistic is a chi squared distribution ... distribution if the null hypothesis is true can be made to approximate a chi squared distribution as closely as desired by making the sample size large enough. Some examples of chi squared tests where the chi squared distribution is only approximately valid Pearson s chi squared test , also known as the chi squared goodness of fit test or chi squared test for independence. When mentioned without ... , also known as Yates chi squared test. Cochran Mantel Haenszel statistics Cochran Mantel Haenszel chi squared test . McNemar s test , used in certain 2 2 tables with pairing Linear by linear association chi squared test The portmanteau test in time series analysis , testing for the presence ... statistic is an exact chi squared distribution is the test that the variance of a normally distributed ... values of variances to test against are seldom known exactly. Chi squared test for variance in a normal ... . Then T has a chi squared distribution with n 1 Degrees of freedom statistics degrees of freedom ... of 5 is the interval 9.59 to 34.17. Chi squared test for contingency table example Dispute This example ... claim is valid A chi squared test may be applied on a contingency table for testing a null hypothesis of independence of rows and columns. As an example of the use of the chi squared test, a fair ... result 147 times. The following is a chi squared analysis, where the null hypothesis is that the coin is fair class wikitable align center Chi squared calculation of coin tosses Heads Tails Total Observed ... and the chi squared value is 0.36. In order to see whether this result is statistically significant ... squared test for a more detailed explanation Chi squared distribution Nomogram Cquared test computation nomogram Chi squared test nomogram G test Likelihood ratio test s are approximately chi squared ... more details
In statistics , the mean integrated squared error MISE is used in density estimation . The MISE of an estimator estimate of an unknown probability density is given by math operatorname E f n f 2 2 operatorname E int f n x f x 2 , dx math where is the unknown density, sub n sub is its estimate based on a sample statistics sample of n iid random variables. Here, E denotes the expected value with respect to that sample. The MISE is also known as L sup 2 sup risk function . See also Minimum distance estimation Mean squared error unreferenced date November 2010 DEFAULTSORT Mean Integrated Squared Error Category Estimation of densities Category Non parametric statistics Category Point estimation performance statistics stub ... more details
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