Bishiyoyin yanke shawara da dazuzzukan dazuzzuka
Itacen yanke shawara yana yin tsinkaya ta hanyar yin jerin tambayoyi masu sauƙi na eh/a'a, kamar taswira mai gudana.
Dubawa
A random forest combines hundreds of such trees and lets them vote, which is far more accurate and robust.
Zurfafa nutsewa
Bishiyar yanke shawara tana raba bayanai mataki-mataki: a kowane kumburi yana ɗaukar fasalin da ƙofa wanda mafi kyawun raba sakamakon, sannan rassa har sai ya kai ga tsinkaya a ganye. Bishiyoyi sun shahara saboda suna da sauƙin karantawa; za ku iya gano ainihin dalilin da yasa aka yanke shawara. Rashin raunin su ya wuce gona da iri, inda itace mai zurfi ke haddace amo kuma yayi tsinkaya mara kyau akan sabbin bayanai. Dazuzzukan dazuzzuka suna gyara wannan ta hanyar horar da bishiyoyi da yawa akan bayanan bazuwar (wani dabara da ake kira jaka) da bazuwar fasali a kowane tsaga. Bishiyoyin suna yin kurakurai daban-daban, don haka matsakaita ƙuri'unsu yana soke kurakurai guda ɗaya. Sakamakon yana ɗaya daga cikin mafi aminci, ƙananan daidaita algorithms don bayanan tabular, ana amfani da su sosai kafin a kai ga zurfin koyo.
Fahimtar Fasaha
An zaɓi kowace tsaga don ƙara girman 'tsarki.' Bishiyoyin rarrabuwa suna rage ƙazantar Gini ko entropy; Bishiyoyin koma baya suna rage bambance-bambance (kuskuren murabba'i). Dazuzzukan dazuzzuka suna ƙara tushen bazuwar guda biyu: samfurin bootstrap (kowane bishiya yana ganin samfurin bazuwar da aka zana tare da maye gurbin) da zaɓin fasalin bazuwar a kowane tsaga. Wannan yana ƙawata bishiyoyi don haka matsakaicin hasashensu yana da ƙananan bambance-bambance fiye da kowane bishiya ɗaya, ba tare da haɓaka son zuciya ba. Samfuran da ba a cikin jaka, an bar su daga cikin takalmin kowane bishiya, suna ba da ƙayyadaddun ingantacciyar ƙima.
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 Bishiyar yanke shawara da dazuzzukan dazuzzuka
Dazuzzukan dazuzzukan bazuwar sun kasance masu tafiya-zuwa tushe, amma hasken tabo ya koma ga bishiyoyin da aka haɓaka gradient kamar XGBoost, LightGBM, da CatBoost, waɗanda ke gina bishiyu akai-akai don gyara kurakuran da suka gabata kuma galibi suna kan gaba gasa ta bayanai. Waɗannan tarin bishiyar suna ci gaba da fin karfin hanyoyin sadarwa na jijiyoyi akan tsarin bayanai da yawa. Yi tsammanin aiki mai gudana akan saurin gudu, horon GPU, musamman kayan aikin bayani kamar SHAP, tunda fassara shine mahimmin dalilin da aka tsara masana'antu suna ci gaba da zaɓar samfuran tushen itace akan zurfin koyo na akwatin baki.
Aiwatar da Gaskiyar Duniya
Ƙimar kiredit da amincewar lamuni, inda bankuna ke darajar fayyace, hanyar yanke shawara.
Hasashen haɗarin likita cewa tutoci waɗanda abubuwan marasa lafiya suka haifar da ganewar asali ko faɗakarwa.
Hasashen tsinkayar abokin ciniki daga asusun tambura da bayanan amfani.
Fasa-fasa-muhimmancin bincike don ƙima waɗanda masu canji suka fi mahimmanci a cikin saitin bayanai.
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 inda Bishiyar yanke shawara da dazuzzukan dazuzzukan ke taimakawa da kuma inda hanyoyin mafi sauƙi suka fi kyau.
Ci gaba da Bincike
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Jagora na gaba
AI yanke shawara
Tambayoyin da ake yawan yi
What is Decision Trees and Random Forests?
Itacen yanke shawara yana yin tsinkaya ta hanyar yin jerin tambayoyi masu sauƙi na eh/a'a, kamar taswira mai gudana. Dajin bazuwar ya haɗu da ɗaruruwan irin waɗannan bishiyoyi kuma yana ba su damar yin zabe, wanda ya fi daidai kuma mai ƙarfi.
Ta yaya itace yanke shawara ke yin tsinkaya?
Bishiyar yanke shawara tana bin hanyar shigarwa ta hanyar tambayoyin reshe game da fasalinta har sai ta kai ga ganyen da ke ba da hasashen.
Menene babban rauni na bishiyar yanke shawara mai zurfi?
Bishiyoyin zurfafa na iya dacewa da bayanan horo sosai, suna ɗaukar hayaniya da haɓaka rashin kyau ga sabbin misalai.
Ta yaya gandun daji bazuwar ke inganta akan bishiya ɗaya?
Ta hanyar horar da itatuwan ado da yawa da matsakaici ko jefa ƙuri'a, daji yana soke kurakuran bishiyar kuma yana rage wuce gona da iri.
Menene 'bagging' ke nufi a cikin dazuzzukan bazuwar?
Bagging (Bootstrap aggregating) yana ba kowane itace samfurin bazuwar da aka zana tare da maye gurbinsu, don haka bishiyoyin sun bambanta kuma matsakaicin su ya fi karko.
Wane ma'auni ne bishiyoyin rarrabuwa suke amfani da su don zaɓar tsaga?
Bishiyoyin rarrabuwa suna tsinke rarrabuwar kawuna waɗanda galibi suna rage ƙazantar Gini ko ɓarna, ma'auni na yadda azuzuwan suke gauraye a kumburi.