Shigikira Imashini za Vector
Imashini ya vector imashini (SVM) ni algorithm ya kera itandukanya amatsinda abiri ushushanya imipaka yagutse hagati yabo.
Incamake
It was one of the most powerful classifiers before deep learning and is still strong on small, clean datasets.
Kwibira cyane
SVM isanga imipaka yicyemezo, yitwa hyperplane, igabanya cyane intera, ikinyuranyo hagati yumupaka namakuru yegeranye ya buri cyiciro. Izo ngingo zegeranye ni 'infashanyo zifasha,' kandi zonyine zisobanura imipaka, ituma icyitegererezo cyuzuzanya kandi kikananirwa gusohoka hanze yinkombe. Iyo amakuru adashobora gutandukanywa numurongo ugororotse, amayeri ya kernel ayishushanya mumwanya muremure-mwinshi aho gutandukana gusukuye kubaho, utarigeze ubara iyo coordinate itaziguye. A margin yoroheje yemerera bimwe mubi, bigenzurwa na parameter C, kuburyo moderi iringaniza intera nini namakosa yo guhugura. SVMs nziza cyane iyo ibiranga ari byinshi ariko ingero ni nke, nko mubyiciro byanditse hamwe na bioinformatics.
Ubushishozi
Kugabanya intera ni ikibazo cyo guhuza ibitekerezo, bityo SVMs ifite icyerekezo kimwe cyiza ku isi, bitandukanye nu miyoboro ya neural. Amayeri ya kernel asimbuza akadomo hagati yamakuru yibikorwa hamwe nigikorwa cyintangiriro, nkibikorwa bya radiyo ishingiro (RBF) cyangwa intangiriro ya polinomial, ibara ibisa nkibibanza biri hejuru cyane. Ibi bireka umurongo ugereranya gushushanya imipaka igoramye. Hyperparameter ebyiri ziganje mukuringaniza: C, igurisha ubugari bwimipaka irwanya amakosa, na gamma mumatongo ya RBF, igashyiraho intera imbaraga za buri ngingo zigera.
Ingaruka z'Ingamba
Ibyemezo bisobanutse
Iragufasha gutandukanya ibyifuzo bya tekiniki bisobanutse nururimi rwo kwamamaza.
Igiciro na bije
Urashobora kubaza ibibazo byiza byo gushyira mubikorwa mbere yo gukoresha amafaranga cyangwa igihe.
Itsinda hamwe nakazi
Amakipe asangiye ibitekerezo akora ibicuruzwa byiza, politiki, nibyemezo byo kwiga.
Kazoza Kunganira Imashini Vector
SVMs yarengewe cyane no kwiga byimbitse hamwe n’ibiti byongerewe imbaraga kuri datasets nini, ariko bikomeza guhitamo kwizerwa mugihe amakuru ari make, murwego rwo hejuru, cyangwa akeneye ibyingenzi bikomeye, byumvikana neza. Bakomeza kuba benshi mukwigisha, muri bioinformatics hamwe nimirimo yinyandiko, no mumikoreshereze yimikoreshereze aho ntoya, yihuta ikubita urusobe ruremereye. Tegereza SVMs gukomeza nk'igikoresho cyizewe cya kera kandi ni igipimo aho kuba umupaka w'ubushakashatsi bushya.
Gushyira mu bikorwa Isi
Itondekanya inyandiko na spam, aho inyandiko zifite ibihumbi nibiranga ijambo ariko ingero nke.
Gutondekanya amashusho kumibare mito mbere yo kwiga byimbitse byiganje.
Kanseri na gene-imvugo itondekanya muri bioinformatics hamwe nibintu byinshi hamwe na sample nkeya.
Kumenyekanisha intoki imenyekanisha, ibipimo bya SVM bya kera kuri dataset ya MNIST.
Ingaruka & Kurinda
Amakipe atandukanye arashobora gukoresha ijambo rimwe muburyo butandukanye, sobanura intera hakiri kare.
Ibipimo birashobora kugaragara bikomeye mugihe imikorere-yisi-itaringaniye.
Kwirengagiza ubuziranenge bwamakuru na gahunda yo gusuzuma akenshi bitanga ibisubizo byoroshye.
Igishushanyo mbonera
Tangira nururimi rusobanutse rwibisubizo ukeneye.
Toranya intsinzi imwe hamwe nuburyo bumwe bwo gutsindwa mbere yo kwipimisha.
Koresha umuderevu muto hamwe namakuru ahagarariye, ntabwo ari demo yashizweho.
Inyandiko aho Inkunga ya Vector Imashini ifasha nuburyo bworoshye bworoshye.
Komeza Ubushakashatsi
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Ubuyobozi bukurikira
Imashini yo Kwiga Imashini
Ibibazo bikunze kubazwa
What is Support Vector Machines?
Imashini ya vector imashini (SVM) ni algorithm ya kera itandukanya amatsinda abiri ushushanya imipaka yagutse hagati yabo. Byari bimwe mubyiciro bikomeye mbere yo kwiga byimbitse kandi biracyakomeye kuri datasets nto, zisukuye.
Niki imashini ishigikira imashini igerageza gukora cyane?
SVM isanga hyperplane yerekana cyane intera, intera igera kumanota yegeranye ya buri cyiciro, kugirango itandukanye cyane.
Ni ubuhe 'bushyigikire' muri SVM?
Gusa ingingo zegereye imbibi, infashanyo zifasha, kugena hyperplane; izindi ngingo zirashobora kwimuka zitabihinduye.
Ni ikihe kibazo amayeri ya kernel akemura?
Amayeri ya kernel ashushanya mu buryo butaziguye amakuru mu mwanya uringaniye aho imbibi igororotse ikora, ituma gutandukana kugoramye bihendutse.
Niki parameter C igenzura muri yoroshye-margin SVM?
C iringaniza ifite intera nini yo kwemerera amakosa amwe mumahugurwa; ntoya C isobanura intera nini, yihanganira cyane.
Ni ubuhe bwoko bukoreshwa mugukora imipaka yoroheje, igoramye?
Intangiriro ya RBF (Gaussian) nigisanzwe gikunzwe gipima guhuza ukurikije intera, kwemerera imipaka idafite umurongo.