Icyitonderwa kandi Wibuke
Gusobanura no kwibuka ni bibiri byuzuzanya byo gusuzuma ibyiciro, cyane cyane iyo amasomo aringaniye.
Incamake
Together they reveal what plain accuracy hides — how often a model's positive predictions are right, and how many real positives it actually catches.
Kwibira cyane
Iyo icyitegererezo cyerekana ibintu nkibintu byiza, ibibazo bibiri bifite akamaro. Precision irabaza: mubintu byose twashyizeho ibendera, mubyukuri byari byiza bingana iki? Iringaniza ibyiza byukuri bigabanijwe nibyiza byose byahanuwe, bihana impuruza. Ibuka (sensitivite) irabaza: mubyiza byose bifatika hanze, twafashe bangahe? Iringana ibyiza byukuri bigabanijwe nibyiza byose, bihana miss. Ibi mubisanzwe bigurisha: kugabanya ibyemezo byateganijwe bifata ibyiza byinshi (kwibutsa hejuru) ariko ibendera ryibintu byinshi (precision precision), nibindi. Ibyo gushyira imbere biterwa nigiciro - akayunguruzo ka spam gashyigikira neza (ntukandike ubutumwa nyabwo), mugihe kanseri yerekana ko yibuka (ntucikwe nikibyimba). Amanota ya F1, guhuza kwabo, aringaniza byombi mumibare imwe.
Ubushishozi
Ibipimo byombi biva mubyiza byukuri matrix (TP), ibyiza (FP), nibibi (FN): Precision = TP / (TP + FP), Ibuka = TP / (TP + FN). Ikigaragara ni uko, nta nubwo ikoresha ibibi nyabyo, niyo mpamvu bakomeza gutanga amakuru mugihe ibibi biruta cyane ibyiza. Kurandura urutonde rwurwego rukurikirana neza-kwibutsa umurongo; agace kari munsi yacyo (impuzandengo isobanutse) yerekana muri make imikorere kandi ikunzwe kuruta ROC-AUC kumibare idahwitse cyane.
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 Keza no Kwibuka
Mugihe AI yinjiye murwego rwo hejuru - kwisuzumisha kwa muganga, kugereranya ibintu, uburiganya - amakipe agenda atanga raporo yibyukuri no kwibuka (hamwe numurongo wabo) aho kuba ukuri kwonyine, no guhuza ibipimo kugirango bihuze ibiciro byisi nimbogamizi zuburinganire. Kugenzura buri tsinda neza / kwibutsa bigenda biba bisanzwe kugirango hamenyekane ibipimo bitandukanye byamakosa kuri demokarasi. Tegereza ibiciro bikungahaye cyane kubipimo, guhitamo ibishoboka, hamwe nibikoresho byemerera abafatanyabikorwa guhitamo ingingo zikorana aho kwemerera 0.5 ntarengwa.
Gushyira mu bikorwa Isi
Akayunguruzo ka Spam kuringaniza neza kuburyo imeri zemewe ntizigera zoherezwa nabi mububiko bwa spam.
Kwipimisha kwa muganga bishyira imbere kwibutsa cyane kugirango wirinde kubura abarwayi bafite uburwayi, bakemera ibyiza byinshi byo kubikurikirana.
Sisitemu yo gushakisha no gutanga ibyifuzo byerekana neza @ k (ni bangahe mubisubizo byo hejuru k bifite akamaro) kugirango bipime ubuziranenge.
Kugaragaza uburiganya buringaniza neza no kwibutsa ukoresheje amanota F1, kubera ko impuruza zombi hamwe nuburiganya bwabuze birahenze.
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 Precision na Kwibuka bifasha kandi nuburyo bworoshye bworoshye.
Komeza Ubushakashatsi
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Ubuyobozi bukurikira
Tempus AI mubuvuzi bwuzuye
Ibibazo bikunze kubazwa
What is Precision and Recall?
Gusobanura no kwibuka ni bibiri byuzuzanya byo gusuzuma ibyiciro, cyane cyane iyo amasomo aringaniye. Hamwe na hamwe bagaragaza icyo ubunyangamugayo bwihishe - ni kangahe guhanura kwiza kwicyitegererezo ari byiza, hamwe nibyiza bifatika.
What is next for Precision and Recall?
Mugihe AI yinjiye murwego rwo hejuru - kwisuzumisha kwa muganga, kugereranya ibintu, uburiganya - amakipe agenda atanga raporo yibyukuri no kwibuka (hamwe numurongo wabo) aho kuba ukuri kwonyine, no guhuza ibipimo kugirango bihuze ibiciro byisi nimbogamizi zuburinganire. Kugenzura buri tsinda neza / kwibutsa bigenda biba bisanzwe kugirango hamenyekane ibipimo bitandukanye byamakosa kuri demokarasi. Tegereza ibiciro bikungahaye cyane kubipimo, guhitamo ibishoboka, hamwe nibikoresho byemerera abafatanyabikorwa guhitamo ingingo zikorana aho kwemerera 0.5 ntarengwa.
Igisubizo gisobanutse nikihe kibazo?
Precision = TP / (TP + FP) ipima ukuri kw'icyitegererezo cyiza cy'icyitegererezo - burya ibendera ryiza ni ryizewe.
Ni ukubera iki gutondeka no kwibuka bikundwa kuruta ibisobanuro byukuri kuri datasets zingana?
Kuberako nta metrici ikoresha ibibi byukuri, ntabwo byashizwemo nicyiciro kinini, cyoroshye-guhanura ibyiciro bibi uko ukuri ari.