Підтримка
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U statistici me todi Mo nte Ka rlo ma rkovskih lancyugi v MKML angl Markov Chain Monte Carlo MCMC ce klas algoritmiv dlya vibirki z rozpodilu jmovirnostej na bazi pobudovi takogo lancyuga Markova sho maye bazhanij rozpodil yak svij rivnovazhnij rozpodil Todi stan cogo lancyuga pislya yakogos chisla krokiv vikoristovuyetsya yak vibirka z bazhanogo rozpodilu Yakist vibirki pokrashuyetsya yak funkciya vid kilkosti krokiv Zbizhnist algoritmu Metropolisa Gastingsa MKML namagayetsya aproksimuvati sinij rozpodil pomaranchevim Me todi Mo nte Ka rlo vipadko vogo bluka nnya skladayut velikij pidklas metodiv MKML Oblasti zastosuvannyaMetodi MKML zdebilshogo zastosovuyutsya dlya obchislennya chiselnih nablizhen bagatovimirnih integraliv napriklad u bayesovij statistici obchislyuvalnij fizici obchislyuvalnij biologiyi ta obchislyuvalnij lingvistici U bayesovij statistici neshodavni rozrobki metodiv MKML stali klyuchovim krokom v umozhlivlenni obchislennya velikih iyerarhichnih modelej sho vimagayut integraciyi nad sotnyami abo navit tisyachami nevidomih parametriv Yih takozh zastosovuyut dlya generuvannya vibirok sho postupovo pokrivayut zonu ridkisnogo zboyu u en KlasifikaciyaMetodi Monte Karlo vipadkovogo blukannya Div takozh Vipadkove blukannya Bagatovimirni integrali Koli metodi MKML zastosovuyutsya dlya nablizhennya bagatovimirnih integraliv to vsyudi vipadkovo ruhayetsya ansambl hodakiv U kozhnij tochci de stupaye hodak do integralu zarahovuyetsya znachennya pidintegralnogo v cij tochci Potim hodak mozhe zrobiti yakus kilkist probnih krokiv ciyeyu zonoyu shukayuchi miscya z prijnyatno visokim vneskom do integralu shobi ruhatisya tudi dali Metodi Monte Karlo vipadkovogo blukannya ye riznovidom vipadkovogo modelyuvannya abo metodu Monte Karlo Prote todi yak vipadkovi vibirki sho vikoristovuyutsya u zvichajnomu en ye statistichno nezalezhnimi ti sho vikoristovuyutsya u metodah MKML ye korelovanimi Lancyug Markova buduyetsya takim chinom shobi mati pidintegralne yak svij rivnovazhnij rozpodil Prikladi Prikladi metodiv Monte Karlo vipadkovogo blukannya vklyuchayut nastupni Algoritm Metropolisa Gastingsa Cej metod porodzhuye vipadkove blukannya iz zastosuvannyam gustini propoziciyi ta metodu vidkidannya deyakih iz zaproponovanih ruhiv en Cej metod vimagaye shobi bulo tochno vkazano vibirki z usih umovnih rozpodiliv cilovogo rozpodilu Vin ye populyarnim zokrema tomu sho ne vimagaye zhodnogo regulyuvannya en Cej metod zalezhit vid togo principu sho mozhna robiti vibirku z rozpodilu shlyahom rivnomirnoyi vibirki z oblasti pid grafikom funkciyi jogo gustini Vin cherguye rivnomirnu vibirku u vertikalnomu napryamku z rivnomirnoyu vibirkoyu z gorizontalnogo rivnya viznachenogo potochnoyu vertikalnoyu poziciyeyu en Cej metod ye variaciyeyu algoritmu Metropolisa Gastingsa sho dozvolyaye bagatorazovi sprobi u kozhnij tochci Dozvolyayuchi robiti bilshi kroki na kozhnij iteraciyi vin dopomagaye rozv yazuvati proklyattya rozmirnosti en Cej metod ye variaciyeyu algoritmu Metropolisa Gastingsa sho dozvolyaye propoziciyi yaki zminyuyut rozmirnist prostoru Metodi MKML sho zminyuyut rozmirnist trivalij chas zastosovuvatisya u statistichnij fizici de dlya deyakih zadach vikoristovuyetsya rozpodil sho ye velikim kanonichnim ansamblem napriklad koli kilkist molekul u korobci ye zminnoyu Ale reversivno stribkovij variant ye korisnim pri vikonanni MKML abo vibirki za Gibbsom nad en bayesovimi modelyami takimi yak pov yazani z en chi en de kilkist zmishuvanih skladovih klasteriv tosho avtomatichno vivoditsya z danih Inshi metodi MKML Cej rozdil potrebuye dopovnennya serpen 2015 Vzayemodijni metodologiyi MKML ye klasom en dlya otrimannya vipadkovih viborok iz poslidovnosti rozpodiliv jmovirnosti zi zrostayuchim rivnem skladnosti vibirki Ci jmovirnisni modeli vklyuchayut modeli prostoru shlyahu zi zbilshuvanim chasovim gorizontom aposteriornimi rozpodilami vidnosno poslidovnosti chastkovih sposterezhen zbilshuvanimi naborami rivniv obmezhen dlya umovnih rozpodiliv zmenshuvanimi grafikami temperaturi pov yazanimi z deyakimi rozpodilami Bolcmana Gibbsa ta bagato inshih U principi bud yakij vidbirnik MKML mozhe buti peretvoreno na vzayemodijnij vidbirnik MKML Ci vzayemodijni vidbirniki MKML mozhe buti interpretovano yak sposib paralelnogo vikonannya vidbirnikiv MKML Napriklad vzayemodijni imitacijni algoritmi renaturaciyi bazuyutsya na nezalezhnih krokah Metropolisa Gastingsa sho poslidovno vzayemodiyut z mehanizmom tipu viboru povtornogo vzyattya vibirki Na vidminu vid tradicijnih metodiv MKML parametr tochnosti cogo klasu vzayemodijnih vidbirnikiv MKML stosuyetsya lishe kilkosti vidbirnikiv MKML sho vzayemodiyut Ci peredovi chastinkovi metodologiyi nalezhat do klasu chastinkovih modelej Fejnmana Kaca sho u spilnotah bayesovogo visnovuvannya ta obrobki signaliv nazivayutsya takozh en abo en Vzayemodijni metodi MKML takozh mozhe buti interpretovano yak genetichni chastinkovi algoritmi mutaciyi vidboru z mutaciyami MKML KMKML angl Markov Chain quasi Monte Carlo MCQMC Perevaga vikoristannya poslidovnostej z nizkoyu rozbizhnistyu zamist vipadkovih chisel dlya prostoyi nezalezhnoyi vibirki Monte Karlo dobre vidoma Cya procedura vidoma yak metod kvazi Monte Karlo KMK angl Quasi Monte Carlo method QMC vidpovidno do en daye integracijnu pomilku sho spadaye znachno shvidshe nizh otrimuvana za dopomogoyu vibirki NOR Empirichno ce dozvolyaye zmenshuvati yak pomilku ocinki tak i trivalist zbizhnosti na poryadok velichini dzherelo Zmenshennya korelyaciyi Vdoskonalenishi metodi vikoristovuyut rizni shlyahi zmenshennya korelyaciyi mizh susidnimi elementami vibirki Ci algoritmi mozhut buti skladnishimi dlya vtilennya prote voni zazvichaj demonstruyut shvidshu zbizhnist tobto dosyagnennya tochnogo rezultatu za menshu kilkist krokiv Prikladi Prikladi metodiv MKML ne vipadkovogo blukannya vklyuchayut nastupne en GMK angl Hybrid Monte Carlo HMC Namagayetsya uniknuti povedinki vipadkovogo blukannya za dopomogoyu vvedennya dodatkovogo vektora impulsu ta realizaciyi gamiltonovoyi dinamiki tak sho funkciya potencialnoyi energiyi ye cilovoyu gustinoyu Impulsni elementi vibirki vidkidayutsya pislya vibirki Kincevim rezultatom gibridnogo algoritmu Monte Karlo ye te sho propoziciyi ruhayutsya prostorom vibirki bilshimi krokami voni vidtak ye mensh korelovanimi ta shvidshe zgortayutsya do cilovogo rozpodilu Deyaki variaciyi vibirki za rivnyami takozh unikayut vipadkovogo blukannya MKML Lanzhevena ta inshi metodi sho pokladayutsya na gradiyent ta mozhlivo drugu pohidnu logarifmu aposteriornogo unikayut vipadkovogo blukannya roblyachi propoziciyi sho pravdopodibnishe znahodyatsya v napryamku vishoyi gustini jmovirnosti ZbizhnistCej rozdil ne mistit posilan na dzherela Vi mozhete dopomogti polipshiti cej rozdil dodavshi posilannya na nadijni avtoritetni dzherela Material bez dzherel mozhe buti piddano sumnivu ta vilucheno serpen 2015 Pobuduvati lancyug Markova iz potribnimi vlastivostyami zazvichaj neskladno Skladnishoyu zadacheyu ye viznachiti skilki krokiv potribno dlya zgortki do stacionarnogo rozpodilu iz prijnyatnoyu pomilkoyu Dobrij lancyug matime en stacionarnij rozpodil dosyagayetsya shvidko pri starti z dovilnogo polozhennya Tipova vibirka MKML mozhe lishe nablizhuvati cilovij rozpodil oskilki zavzhdi zalishayetsya yakijs zalishkovij vpliv pochatkovogo polozhennya Vdoskonalenishi algoritmi na bazi MKML taki yak en mozhut vidavati tochni vibirki cinoyu dodatkovih obchislen ta neobmezhenogo hocha j ochikuvano skinchennogo chasu vikonannya Bagato metodiv Monte Karlo vipadkovogo blukannya ruhayutsya navkolo rivnovazhnogo rozpodilu vidnosno malimi krokami bez tendenciyi do togo shobi kroki prosuvalisya v odnomu napryamku Ci metodi ye legkimi dlya vtilennya ta analizu ale na zhal doslidzhennya hodakom usogo prostoru mozhe zabirati bagato chasu Hodak chasto povertatimetsya i povtorno doslidzhuvatime vzhe doslidzhenu miscevist Div takozhBayesove visnovuvannya Bayesova merezha en en Metod kvazi Monte Karlo en Algoritm Metropolisa Gastingsa en en en en PrimitkiGill 2008 Robert ta Casella 2004 Banerjee Sudipto Carlin Bradley P Gelfand Alan P Hierarchical Modeling and Analysis for Spatial Data vid Second Edition CRC Press s xix ISBN 978 1 4398 1917 3 angl Green 1995 Del Moral Pierre 2013 Chapman amp Hall CRC Press s 626 Arhiv originalu za 8 chervnya 2015 Procitovano 5 serpnya 2015 Monographs on Statistics amp Applied Probability angl Del Moral Pierre 2004 Feynman Kac formulae Genealogical and interacting particle approximations Springer s 575 Series Probability and Applications angl Del Moral Pierre Miclo Laurent 2000 Branching and Interacting Particle Systems Approximations of Feynman Kac Formulae with Applications to Non Linear Filtering PDF T 1729 s 1 145 doi 10 1007 bfb0103798 a href wiki D0 A8 D0 B0 D0 B1 D0 BB D0 BE D0 BD Cite book title Shablon Cite book cite book a Proignorovano journal dovidka angl onlinelibrary wiley com Arhiv originalu za 6 veresnya 2015 Procitovano 11 chervnya 2015 angl Chen S Josef Dick and Art B Owen Consistency of Markov chain quasi Monte Carlo on continuous state spaces The Annals of Statistics 39 2 2011 673 701 angl Tribble Seth D Markov chain Monte Carlo algorithms using completely uniformly distributed driving sequences Diss Stanford University 2007 angl Papageorgiou Anargyros and J F Traub Beating Monte Carlo Risk 9 6 1996 63 65 angl Sobol Ilya M On quasi monte carlo integrations Mathematics and Computers in Simulation 47 2 1998 103 112 angl Neal 2003 Stramer ta Tweedie 1999 DzherelaChristophe Andrieu Nando De Freitas and Arnaud Doucet An Introduction to MCMC for Machine Learning 2003 angl Asmussen Soren Glynn Peter W 2007 Stochastic Simulation Algorithms and Analysis Stochastic Modelling and Applied Probability T 57 Springer angl Atzberger P An Introduction to Monte Carlo Methods PDF angl 2004 Markov Chain Monte Carlo Simulations and Their Statistical Analysis World Scientific angl Bolstad William M 2010 Understanding Computational Bayesian Statistics Wiley ISBN 0 470 04609 0 angl Casella George George Edward I 1992 Explaining the Gibbs sampler en 46 167 174 doi 10 2307 2685208 Basic summary and many references angl Gelfand A E Smith A F M 1990 Sampling Based Approaches to Calculating Marginal Densities en 85 398 409 doi 10 1080 01621459 1990 10476213 angl Carlin John B Stern Hal S 1995 Bayesian Data Analysis vid 1st Chapman amp Hall See Chapter 11 angl Geman S 1984 Stochastic Relaxation Gibbs Distributions and the Bayesian Restoration of Images en 6 721 741 angl Gilks W R Richardson S 1996 Markov Chain Monte Carlo in Practice Chapman amp Hall CRC angl Gill Jeff 2008 Bayesian methods a social and behavioral sciences approach vid 2nd Chapman amp Hall CRC ISBN 1 58488 562 9 angl Green P J 1995 Reversible jump Markov chain Monte Carlo computation and Bayesian model determination en 82 4 711 732 doi 10 1093 biomet 82 4 711 angl Neal Radford M 2003 Slice Sampling en 31 3 705 767 doi 10 1214 aos 1056562461 JSTOR 3448413 angl Neal Radford M 1993 Probabilistic Inference Using Markov Chain Monte Carlo Methods angl Robert Christian P Casella G 2004 Monte Carlo Statistical Methods vid 2nd Springer ISBN 0 387 21239 6 angl Rubinstein R Y Kroese D P 2007 Simulation and the Monte Carlo Method vid 2nd Wiley ISBN 978 0 470 17794 5 angl Smith R L 1984 Efficient Monte Carlo Procedures for Generating Points Uniformly Distributed Over Bounded Regions en 32 1296 1308 doi 10 1287 opre 32 6 1296 angl Spall J C April 2003 Estimation via Markov Chain Monte Carlo IEEE Control Systems Magazine 23 2 34 45 doi 10 1109 mcs 2003 1188770 angl Stramer O Tweedie R 1999 Langevin Type Models II Self Targeting Candidates for MCMC Algorithms Methodology and Computing in Applied Probability 1 3 307 328 doi 10 1023 A 1010090512027 angl Literatura April 2009 The Markov chain Monte Carlo revolution PDF Bull Amer Math Soc 46 2 179 205 doi 10 1090 s0273 0979 08 01238 x S 0273 0979 08 01238 X angl Vetterling W T Flannery B P 2007 Section 15 8 Markov Chain Monte Carlo Numerical Recipes The Art of Scientific Computing vid 3rd Cambridge University Press ISBN 978 0 521 88068 8 angl Richey Matthew May 2010 The Evolution of Markov Chain Monte Carlo Methods PDF The American Mathematical Monthly 117 5 383 413 doi 10 4169 000298910x485923 angl Posilannya Alexander Mantzaris pervinne posilannya teper nedijsne angl Interaktivni metodologiyi Metropolisa Gastingsa Vizualna demonstraciya metodiv vibirki MKML aplet Java Laird Breyer angl Igrashkovij priklad vibirki MKML dlya Matlab Zhiyuan Weng MCL markovskij algoritm klasterizaciyi dlya grafiv Stijn van Dongen angl PyMC modul Python sho realizuye modeli ta algoritmi pidgonki bayesovoyi statistiki vklyuchno z metodom Monte Karlo markovskih lancyugiv angl, Вікіпедія, Українська, Україна, книга, книги, бібліотека, стаття, читати, завантажити, безкоштовно, безкоштовно завантажити, mp3, відео, mp4, 3gp, jpg, jpeg, gif, png, малюнок, музика, пісня, фільм, книга, 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