Kurenza urugero
Gukabya ni igihe icyitegererezo gifata mu mutwe amakuru yacyo kandi bikananirana ku ngero nshya; kudahuza ni mugihe byoroshye cyane gufata imiterere nyayo.
Incamake
Hitting the sweet spot between them is the central challenge of machine learning.
Kwibira cyane
Buri cyitegererezo gikwiranye namahugurwa atagira ingano, ariko intego ni ugukora neza kumibare itagaragara. Icyitegererezo kirenze urugero gifata urusaku nibisobanuro byamahugurwa yashizweho nkaho ari ibimenyetso bifatika: irashobora gutsinda 99% kumibare yamahugurwa nyamara igasenyuka igera kuri 70% mugupimisha. Icyitegererezo kidahwitse nikibazo gihabanye, birakomeye cyane kugirango ufate imiterere yibanze, bityo ntigikora nabi kumahugurwa no kwipimisha. Ikinyuranyo hagati yimyitozo nigikorwa cyibizamini ni ikimenyetso cyo kuvuga. Ibikwiye byerekana nkikosa ryinshi ahantu hose (kubogama cyane); kurenza urugero byerekana nkikosa rito ryamahugurwa ariko ikosa ryinshi ryikizamini (variance high). Ubuhanga ni ukumenya ikibazo ufite, kuko gukosora gukurura muburyo butandukanye.
Ubushishozi
Kurenza urugero no kudakwira ni impera ebyiri zo kubogama-kubogama. Kubogama ni ikosa riva mubitekerezo byoroshye; itandukaniro ni ikosa ryo kutumva cyane icyitegererezo cyamahugurwa yihariye. Agace gato k'umurongo gafite kubogama cyane no gutandukana (munsi); icyitegererezo kinini kitagabanijwe gifite kubogama gake no gutandukana kwinshi (birenze). Amakosa yose ateganijwe kubora hafi kubogama-kwaduka hiyongereyeho itandukaniro wongeyeho urusaku rudashoboka. Abimenyereza gutahura ikibazo mugereranya imyitozo-yashizweho neza nukuri gufatirwa ibyemezo, kureba aho imirongo ibiri itandukaniye.
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 Kurenza Ibikwiye
Ibi bitekerezo bikomeza kuba urufatiro, ariko imiyoboro minini nini cyane igoye ishusho ya kera. Moderi igezweho irashobora kugira ibipimo byinshi kurenza amanota yamakuru nyamara iracyabigaragaza neza, ubutegetsi butangaje rimwe na rimwe bwitwa 'double descente' aho ikosa ryibizamini ryongeye kugabanuka nyuma yimpinga ikabije. Ubushakashatsi bugenda bwibanda kumpamvu zirenze urugero-moderi rusange, uruhare rwo guhora mu buryo butaziguye muri optimizers, no kumenya neza uburyo bwo kugabura ibintu. Witege kwisuzumisha ryiza ryerekana ibendera rirenze mubikorwa nkuko amakuru nyayo yisi atandukana namakuru yamahugurwa.
Gushyira mu bikorwa Isi
Akayunguruzo ka spam gashyira ahagaragara imeri yose irimo izina ryayohereje kubera ko uwohereje yabaye spam cyane mumibare yamahugurwa, akabura spamers nshya (birenze).
Icyitegererezo cyibiciro byinzu ukoresheje amashusho ya kare gusa ukirengagiza ahantu, ibyumba byo kuryamamo, nuburyo bimeze, bityo bikabura nabi mubaturanyi bihenze (bidakwiriye).
Ibyiciro byubuvuzi byubuvuzi byiga gutahura ibimenyetso byamazi byibitaro aho kurwara, kandi bikananirana mubindi bitaro (bikwiranye nibintu bidasanzwe).
Gutegura igihombo cyamahugurwa nigihombo cyemewe mugihe cyamahugurwa no guhagarara mugihe igihombo cyo kwemeza gitangiye kwiyongera mugihe igihombo cyamahugurwa gikomeza kugabanuka (gufata bikabije hakiri kare).
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 Kurenza no Kuringaniza bifasha kandi nuburyo bworoshye bworoshye.
Komeza Ubushakashatsi
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Ubuyobozi bukurikira
Gusubira inyuma
Ibibazo bikunze kubazwa
What is Overfitting and Underfitting?
Gukabya ni igihe icyitegererezo gifata mu mutwe amakuru yacyo kandi bikananirana ku ngero nshya; kudahuza ni mugihe byoroshye cyane gufata imiterere nyayo. Gukubita ahantu heza hagati yabo nikibazo nyamukuru cyo kwiga imashini.
Icyitegererezo gitanga amanota 98% kumyitozo yacyo ariko 71% gusa kubizamini byakozwe. Ni ikihe kibazo gishoboka cyane?
Ikinyuranyo kinini aho imyitozo yukuri iri hejuru ariko ikizamini cyukuri kiri hasi cyane ni umukono wa kera wo gukabya: icyitegererezo gikwiye urusaku mumibare yimyitozo aho kuba rusange.
Ni ibihe bintu bisobanura neza?
Moderi idahwitse iroroshye cyane gufata imiterere yibanze, bityo ikora nabi ahantu hose, harimo no kumakuru yatojwe.
Muburyo bwo kubogama kubucuruzi, itandukaniro ryinshi rifitanye isano niki gisubizo?
Itandukaniro ryinshi risobanura icyitegererezo gihinduka cyane bitewe namakuru yukuri yamahugurwa abona, biganisha ku gukabya. Kubogama cyane ni ikinyuranyo, iherezo ryoroshye.
Inguzanyo-idasubirwaho ikoresha imyaka yabasabye gusa kandi yirengagiza amafaranga yinjira, ideni, n'amateka y'inguzanyo. Ikora nabi kumahugurwa yombi hamwe namakuru mashya. Ukwiye gukora iki?
Imikorere idahwitse ahantu hose ibimenyetso bidakwiye. Gukosora ni ukongera ubushobozi bwikitegererezo, akenshi wongeyeho ibintu bitanga amakuru, bityo birashobora kwerekana isano nyayo.
Ni ukubera iki ari ngombwa kwemeza cyangwa ikizamini cyashyizweho kugirango tumenye neza?
Kurenza urugero ntibigaragara niba ureba gusa imyitozo yukuri. Gusuzuma amakuru atagaragara byerekana itandukaniro riri hagati yo gufata mu mutwe no kuba rusange.