Logistic regression yog ib qho yooj yim tab sis zoo heev kev faib tawm algorithm yog li nws yog feem ntau siv rau ntau yam kev faib tawm binary … Lub hauv paus ntawm logistic regression yog logistic muaj nuj nqi, kuj hu ua sigmoid muaj nuj nqi, uas yuav siv sij hawm nyob rau hauv ib tug tiag tiag tus naj npawb thiab maps nws mus rau ib tug nqi ntawm 0 thiab 1.
Yuav rov qab siv tau rau kev faib tawm?
Linear regression yog qhov tsim nyog rau kev kwv yees cov txiaj ntsig uas yog tus nqi txuas ntxiv, xws li kwv yees tus nqi ntawm cov cuab yeej. … Whereas logistic regression yog rau cov teeb meem kev faib tawm, uas kwv yees qhov tshwm sim ntawm 0 txog 1.
Puas yog logistic regression tsuas yog siv rau regression lossis faib?
Nws tuaj yeem siv rau Classification nrog rau cov teeb meem Regression, tab sis tsuas yog siv rau cov teeb meem kev faib tawm. Logistic regression yog siv los kwv yees lub categorical dependent variable nrog kev pab los ntawm kev ywj pheej variables. Cov zis ntawm Logistic Regression teeb meem tsuas yog nyob nruab nrab ntawm 0 thiab 1.
Puas logistic regression siv tau rau 3 chav kawm?
Los ntawm lub neej ntawd, logistic regression tsis tuaj yeem siv rau kev faib ua haujlwmuas muaj ntau dua ob daim ntawv teev npe, thiaj li hu ua kev faib ntau pawg. Hloov chaw, nws yuav tsum tau hloov kho los txhawb cov teeb meem kev faib ntau hom.
Kev logistic regression puas siv tau rau kev faib tawm tsis yog linear?
Yog li los teb koj cov lus nug, Logistic regression yog tiag tiag tsis yog kab raws li qhov txawv thiab qhov tshwm sim, txawm li cas los xij nws yog linear nyob rau hauv nqe lus ntawm Log Odds.
