K-Abaturanyi
K-Hafi y'abaturanyi (KNN) ishyira amakuru mashya mu kureba ingero za K hafi no gufata amajwi menshi.
Incamake
It matters as one of the simplest, most intuitive algorithms in machine learning, requiring almost no training.
Kwibira cyane
KNN n '' umunebwe wiga ': ntabwo imyitozo nyayo ahubwo ibika gusa imibare yose. Gutondekanya ingingo nshya, ipima intera, mubisanzwe Euclidea, kuri buri ngero zabitswe, igasanga K hafi yabaturanyi, ikanagena icyiciro rusange muri bo. Kwisubiraho, igereranya indangagaciro z'abaturanyi aho. Guhitamo K ibintu: K ntoya yunvikana urusaku kandi irashobora gukabya, mugihe K nini yoroshya ibyemezo ariko irashobora guhuza imipaka nyayo. Kuberako ibintu byose bigira uruhare mu ntera, KNN isaba ibipimo byerekana ibipimo kugirango intera nini ihinduka ntabwo yiganje. Intege nke zayo nyamukuru ni umuvuduko wo guhanura, kubera ko buri kibazo kigereranya na dataset yose.
Ubushishozi
KNN ntabwo ari ibipimo kandi bishingiye ku ngero: ntabwo itekereza ku miterere yamakuru kandi ibika ingero aho kwiga uburemere. Ibipimo by'intera, Euclidean, Manhattan, cyangwa cosine, bisobanura 'kuba hafi,' kandi imipaka ifata ibyemezo irashobora kuba idasanzwe. Kuberako igereranya buri kibazo ningingo zose, gushakisha naive biratinda, nuko amasomero akoresha KD-ibiti, imipira-ibiti, cyangwa igereranya hafi-y’abaturanyi kugirango yihutishe gushakisha murwego rwo hasi.
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.
Ejo hazaza ha K-Hafi y'abaturanyi
Igitekerezo cyibanze cya KNN, shakisha ingero zisa cyane, imbaraga za kijyambere zishakisha za vector hamwe no kugarura-byongerewe ibisekuruza, aho sisitemu izana ibice byegeranye byegeranye kugirango bigere kumurongo munini wururimi. Amasomero yegeranye-abaturanyi hafi ya FAISS na HNSW bituma miliyari-zingana zishakisha zifatika. Mugihe bidakunze gutondekanya icyiciro cya nyuma mumiyoboro minini, ihame ryegereye-umuturanyi rifite akamaro kuruta ikindi gihe cyose nkumugongo wo gushakisha ibisobanuro no gutanga ibyifuzo.
Gushyira mu bikorwa Isi
Sisitemu yo gutanga ibyifuzo: kwerekana firime cyangwa ibicuruzwa bisa nkumukoresha asanzwe akunda.
Kumenyekanisha intoki zandikishijwe intoki: gutondekanya imibare uyigereranya namashusho asa cyane.
Inkunga yo kwisuzumisha kwa muganga: guhanura indwara ishingiye kubarwayi bafite ibisubizo bisa cyane.
Gushakisha ibisobanuro: kugarura inyandiko yegeranye kugirango ushubize ikibazo mububiko bwa vector.
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 K-Hafi Yabaturanyi ifasha nuburyo bworoshye bworoshye.
Komeza Ubushakashatsi
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Ubuyobozi bukurikira
Naive Bayes Ibyiciro
Ibibazo bikunze kubazwa
What is K-Nearest Neighbors?
K-Hafi y'abaturanyi (KNN) ishyira amakuru mashya mu kureba ingero za K hafi no gufata amajwi menshi. Nibyingenzi nkimwe mubintu byoroshye, byimbitse algorithms mukwiga imashini, bisaba ko nta mahugurwa.
Nigute KNN itondekanya ingingo nshya?
KNN isanga K ingero zabitswe hafi kandi igenera urwego rusanzwe murirwo (rwo gusubira inyuma, rugereranya indangagaciro zabo).
Kuki KNN yitwa 'umunyeshuri wumunebwe'?
KNN isubika imirimo yose mugihe cyo guhanura; ifata mu mutwe gusa dataset aho kubaka icyitegererezo mugihe cy'amahugurwa.
Ni ukubera iki gupima ibintu ari ngombwa kuri KNN?
Kuberako KNN yishingikiriza ku ntera, ikintu kinini kidafunze kiranga kirashobora kurenga abandi, bityo ibintu mubisanzwe birasanzwe.
Bigenda bite iyo uhisemo K nto cyane, nka K = 1?
Agace gato K kareka umuturanyi umwe usakuza cyangwa utanditse nabi uhitamo ibisubizo, biganisha kumupaka urenze.
Ni ubuhe butumwa bukomeye bwa KNN?
Kubera ko buri kibazo kigomba gupima intera kuri buri ngero, guhanura birashobora gutinda kuri dataseti nini, kubaza igiti cyangwa kugereranya-gushakisha byihuse.