Rashin Ma'auni da Sake Samfura
Rashin daidaituwar aji shine lokacin da sakamako ɗaya ya zarce wani - kamar 99.9% halaltaccen ma'amala tare da zamba 0.1% - wanda ke yaudarar ƙira don yin watsi da aji mai wuya amma mai mahimmanci.
Dubawa
Sake daidaitawa yana daidaita bayanan horo don haka samfurin a zahiri ya koyi gano tsirarun.
Zurfafa nutsewa
Lokacin da aka karkatar da azuzuwan, ƙirar zata iya buga daidaiton 99.9% ta koyaushe tsinkayar mafi rinjaye kuma ba zata taɓa kama zamba ɗaya ba, wanda ba shi da amfani. Sake samfurin yana gyara rarraba horo ta hanyoyi biyu masu fadi. Ƙarfafa kwafi ko haɗa misalan ƴan tsiraru - na gargajiya SMOTE (Tsarin Ƙarfafa Samfuran Ƙarfafawa) yana haifar da sabbin maki ta hanyar yin cudanya tsakanin ƙaramin samfurin da maƙwabtansa na tsiraru maimakon kwafi su. Ƙarƙashin ƙima a maimakon haka yana watsar da yawancin misalan (da gangan, ko cikin wayo ta hanyoyi kamar hanyoyin haɗin Tomek ko NearMiss) har ma da abubuwa, a farashin zubar da bayanai. Madadin da ke guje wa taɓa bayanan sun haɗa da ma'aunin ajin (na hukunta ƴan tsirarun kurakurai a cikin aikin asara) da daidaita matakin yanke shawara bayan horo.
Fahimtar Fasaha
Muhimmiyar ƙa'ida: sake samfurin saitin horo kawai, ba za'a taɓa tabbatarwa ko saitin gwaji ba, kuma koyaushe ana sake yin samfuri a cikin folds tabbatarwa. Yin wuce gona da iri kafin a raba leaks na kusa-kwafi a cikin saitin gwajin kuma yana ƙãra maki. Saboda daidaito ba shi da ma'ana a nan, yakamata kimantawa ta dogara da daidaito, tuno, F1, Precision-Recall AUC, ko Matsakaicin Daidaitawa na Matthews - ma'auni waɗanda ke tsayawa gaskiya lokacin da ingantaccen aji ya yi wuya.
Dabarun Tasiri
Kudin da kasafin kuɗi
Hukunce-hukuncen gine-gine suna haifar da aiki da tsadar aiki na shekaru.
Shawarwari masu haske
Ilimin fasaha yana taimaka wa ƙungiyoyi su zaɓi tari mai kyau, ba kawai sabon abu ba.
Kula da inganci
Zaɓuɓɓukan injiniya mafi kyau suna rage abin dogaro a cikin samarwa.
Makomar Rashin Ma'auni da Sake Samfura
Sake samfurin yana ƙara sarrafa kansa a cikin bututun ML, tare da dakunan karatu kamar rashin daidaiton koyo hadewa kai tsaye zuwa ingantaccen giciye. Bincike yana jujjuya zuwa ga koyo mai ƙima da ƙima da ayyuka na asara - kamar hasara mai mahimmanci, wanda ke ɗaukar nauyi mafi sauƙi mafi yawan misalan - wanda galibi ya fi ƙwanƙwasa ɗanyen aiki akan hanyoyin sadarwa masu zurfi. Don bayanan tambura da hoto, ƙirar ƙira waɗanda ke haɗa samfuran ƴan tsiraru na gaske suna fitowa a matsayin maɗaukakin maɗaukakin maɗaukaki ga saɓanin salon SMOTE.
Aiwatar da Gaskiyar Duniya
Koyar da gano zamba na katin kiredit inda ainihin zamba ke da kyau a ƙarƙashin kashi 1% na ma'amaloli, ta amfani da SMOTE don haɓaka shari'o'in zamba.
Gina samfurin likita don cutar da ba kasafai ake samu a cikin ƴan kashi dari na marasa lafiya ba, yin amfani da ma'aunin nauyi don haka ana hukunta waɗanda aka rasa.
Gano abubuwan da ba su da lahani akan layin masana'anta inda kusan duk samfuran sun wuce dubawa, yin la'akari da abubuwan 'mai kyau' don daidaita horo.
Tuta kutsawar hanyar sadarwa da ba kasafai ba a cikin rajistan ayyukan tsaro na intanet wanda zirga-zirgar ababen hawa ta mamaye, an kimanta shi tare da Precision-Recall AUC maimakon daidaito.
Hatsari & Tsare-tsare
Haɓaka ma'auni ɗaya na iya ɓoye manyan raunin tsarin.
Sau da yawa ana raina kayan more rayuwa da kuma kuɗin kulawa.
Tsaro da gibin lura na iya girma yayin da tsarin ke ƙara haɓaka.
Taswirar Hanya
Ƙayyade latency, inganci, da maƙasudin farashi kafin aiwatarwa.
Alamar ma'auni a ƙarƙashin ainihin kaya da yanayin bayanai.
Kula da kayan aiki don kurakurai, ɗigo, da tasirin mai amfani.
Shirya bijirowa da hanyoyin mayar da martani kafin sikeli.
Ci gaba da Bincike
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Jagora na gaba
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Tambayoyin da ake yawan yi
Menene Rashin Ma'auni da Sake Samfura?
Rashin daidaituwar aji shine lokacin da sakamako ɗaya ya zarce wani - kamar 99.9% halaltaccen ma'amala tare da zamba 0.1% - wanda ke yaudarar ƙira don yin watsi da aji mai wuya amma mai mahimmanci. Sake daidaitawa yana daidaita bayanan horo don haka samfurin a zahiri ya koyi gano tsirarun.
Me yasa daidaitattun daidaito ya zama ma'auni mara kyau don matsalar rarrabuwa mara daidaituwa?
Idan kashi 99.9% na shari'o'in ba su da kyau, samfurin da koyaushe yana tsinkaya mara kyau yana samun daidaiton 99.9% yayin kama sifili, don haka daidaito yana ɓoye gabaɗayan gazawar akan aji mara nauyi.
Menene SMOTE yake yi?
SMOTE (Tsarin Ƙarfafa Samfuran Ƙarfafawa) yana haifar da sababbin misalan ƴan tsiraru ta hanyar yin cudanya tsakanin ƴan tsiraru da maƙwabta na tsiraru mafi kusa, maimakon yin kwafin su kawai.
Wace hanya ce ke tafiyar da rashin daidaituwa BA TARE da canza adadin misalan horo ba?
Ma'aunin nauyi na aji yana barin bayanan ba a taɓa su ba kuma a maimakon haka yana sa aikin asara ya azabtar da kurakurai akan ajin tsirarun da nauyi.
Menene babban haɗarin yin amfani da wuce gona da iri kafin raba bayanan ku cikin jirgin ƙasa da saitin gwaji?
Sake yin samfuri kafin rarrabuwa yana ba da damar ƴan tsirarun maki kusan iri ɗaya su bayyana a cikin jirgin ƙasa da na'urorin gwaji, watsa bayanai da samar da kyakkyawan fata, aiki maras tabbas.
Menene babban abin da ke tattare da ƙarancin samfurin bazuwar?
Ƙarƙashin ƙima yana daidaita azuzuwan ta hanyar watsar da mafi yawan misalai, waɗanda zasu iya watsar da bayanai masu fa'ida kuma suna cutar da ikon ƙirar don koyan yawancin aji.