Ƙarfafawa da Ƙarfafawa
Yin wuce gona da iri shine lokacin da abin ƙira ya haddace bayanan horonsa kuma ya gaza akan sabbin misalai; underfitting shine lokacin da yake da sauqi sosai don kama ainihin tsari.
Dubawa
Hitting the sweet spot between them is the central challenge of machine learning.
Zurfafa nutsewa
Kowane samfurin ya dace da ƙayyadadden tsarin horo, amma makasudin shine yin aiki mai kyau akan bayanan da ba a gani ba. Samfurin da ya wuce gona da iri yana ɗaukar hayaniya da ƙulli na tsarin horon kamar sigina ne na gaske: yana iya ƙima kashi 99% akan bayanan horo duk da haka ya faɗi zuwa 70% akan saitin gwaji. Samfurin da bai dace ba shine akasin matsalar, mai tsauri sosai don kama tsarin da ke ƙasa, don haka ba ya da kyau akan duka horo da bayanan gwaji. Tazarar da ke tsakanin horo da aikin gwaji shine alamar tabo. Rashin dacewa yana nuna babban kuskure a ko'ina (babban son zuciya); overfitting yana nunawa azaman ƙarancin horo amma kuskuren gwaji mai girma (bambanci mai girma). Kwarewar ita ce gane wace matsala kuke da ita, saboda gyare-gyaren suna ja ta hanyoyi daban-daban.
Fahimtar Fasaha
Ƙarfafawa da ƙaƙƙarfan ƙaƙƙarfan ƙaƙƙarfan ƙaƙƙarfan ɓarna-ban-banci. Son zuciya kuskure ne daga zato maras nauyi; bambance-bambancen kuskure ne daga kasancewa mai kula da takamaiman samfurin horo. Ƙananan samfurin layi yana da babban ra'ayi da ƙananan bambance-bambance (rashin dacewa); babbar ƙirar da ba ta da ƙarfi tana da ƙarancin ƙima da babban bambance-bambance (overfits). Jimlar kuskuren da ake sa ran zai ruguje kamar yadda mai murabba'i da bambance-bambancen da hayaniya mara lalacewa. Ma'aikata suna gano matsalar ta hanyar kwatanta daidaiton tsarin horarwa da saitin ingantaccen aiki, suna kallon inda masu lanƙwasa biyu suka bambanta.
Dabarun Tasiri
Shawarwari masu haske
Yana taimaka muku keɓance bayyanannen da'awar fasaha daga harshen talla.
Kudin da kasafin kuɗi
Kuna iya yin mafi kyawun tambayoyin aiwatarwa kafin kashe kuɗi ko lokaci.
Ƙungiya da aikin aiki
Ƙungiyoyin da ke da fahimtar juna suna yin mafi kyawun samfura, manufofi, da yanke shawara na koyo.
Makomar Ƙarfafawa da Ƙarfafawa
Waɗannan ra'ayoyin sun kasance masu tushe, amma manyan hanyoyin sadarwa na jijiyoyi sun rikitar da hoton na yau da kullun. Samfuran zamani na iya samun ƙarin sigogi fiye da bayanan bayanai duk da haka har yanzu suna gabaɗaya da kyau, tsarin mulki mai ban mamaki wani lokacin ana kiransa 'zuriya biyu' inda kuskuren gwaji ya sake faɗuwa bayan kololuwa. Bincike yana ƙara mai da hankali kan dalilin da ya sa ƙirar ƙima sama da ɗaiɗaiɗai ke gabaɗaya, rawar da ake takawa akai-akai a cikin masu ingantawa, da mafi kyawun gano motsin rarrabawa ta atomatik. Yi tsammanin ingantattun bincike-binciken da ke nuna wuce gona da iri a samarwa kamar yadda bayanan duniya ke nisantar da bayanan horo.
Aiwatar da Gaskiyar Duniya
Tacewar spam wanda ke tuƙi kowane imel ɗin da ke ɗauke da takamaiman sunan mai aikawa saboda mai aikawa ya faru da wasikun banza a cikin bayanan horarwa, bacewar sabbin masu satar bayanai gaba ɗaya ( wuce gona da iri).
Samfurin farashin gida da ke amfani da fim ɗin murabba'i kawai da yin watsi da wuri, ɗakin kwana, da yanayin, don haka ya yi kewar mugun a unguwanni masu tsada (rashin dacewa).
Nau'in hoto na likitanci wanda ke koyon gano alamar ruwa na na'urar daukar hotan takardu a asibiti maimakon cutar, kuma ya gaza a wasu asibitoci (fiye da siffa mai ban tsoro).
Haɓaka asarar horo tare da asarar inganci yayin horo da tsayawa lokacin da asarar tabbatarwa ta fara tashi yayin da asarar horo ke ci gaba da faɗuwa (kamawa da wuri).
Hatsari & Tsare-tsare
Ƙungiyoyi daban-daban na iya amfani da kalmar iri ɗaya daban, don haka ayyana iyaka da wuri.
Alamomi na iya yin kama da ƙarfi yayin da aikin zahirin duniya bai yi daidai ba.
Yin watsi da ingancin bayanai da tsare-tsaren kimantawa galibi yana haifar da sakamako mara ƙarfi.
Taswirar Hanya
Fara da ma'anar harshe a sarari na sakamakon da kuke buƙata.
Zaɓi ma'aunin nasara ɗaya da yanayin gazawa ɗaya kafin gwaji.
Gudun ƙaramin matukin jirgi tare da bayanan wakilci, ba saitin demo da aka goge ba.
Takaddun bayanai inda Ƙarfafawa da Ƙarfafawa ke taimakawa kuma inda mafi sauƙi hanyoyin suka fi kyau.
Ci gaba da Bincike
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Jagora na gaba
Yada baya
Tambayoyin da ake yawan yi
What is Overfitting and Underfitting?
Yin wuce gona da iri shine lokacin da abin ƙira ya haddace bayanan horonsa kuma ya gaza akan sabbin misalai; underfitting shine lokacin da yake da sauqi sosai don kama ainihin tsari. Buga wuri mai dadi a tsakanin su shine babban kalubalen koyon injin.
Samfurin yana da maki 98% akan bayanan horon sa amma 71% kawai akan saitin gwajin da aka gudanar. Wace matsala ce mafi kusantar?
Babban tazara inda daidaiton horo ya yi girma amma daidaiton gwaji ya fi ƙasa da ƙasa shine sa hannu na yau da kullun na overfitting: ƙirar ta dace da amo a cikin bayanan horo maimakon tsarin gaba ɗaya.
Wane yanayi ne ya fi kwatanta rashin dacewa?
Samfurin da bai dace ba yana da sauƙi sosai don ɗaukar tsarin da ke ƙasa, don haka yana aiki mara kyau a ko'ina, gami da bayanan da aka horar da shi akai.
A cikin cinikin son rai-bambamcin ciniki, babban bambance-bambance ya fi alaƙa da wane sakamako?
Babban bambance-bambance yana nufin samfurin yana canzawa da yawa dangane da ainihin bayanan horon da yake gani, wanda ke haifar da wuce gona da iri. Babban son zuciya shine akasin haka, ƙarshen sauƙaƙawa.
Samfurin tsohowar lamuni yana amfani da shekarun mai nema kawai kuma yana watsi da samun kudin shiga, bashi, da tarihin bashi. Yana aiki mara kyau akan duka horo da sabbin bayanai. Me ya kamata ku yi?
Rashin aikin yi a ko'ina yana nuna rashin dacewa. Gyara shine don ƙara ƙarfin samfurin, sau da yawa ta hanyar ƙara fasalulluka masu ba da labari, don haka yana iya wakiltar alaƙar gaskiya.
Me yasa tabbatarwa ko saitin gwaji ke da mahimmanci don gano wuce gona da iri?
Overfitting ba a iya gani idan ka kawai duba daidai horo. Yin kimantawa akan bayanan da ba a gani ba yana fallasa tazarar da ke tsakanin haddar da ainihin gama gari.