Tus qauv logistic regression nws tus kheej tsuas yog ua qauv ntawm qhov tshwm sim ntawm cov khoom siv thiab tsis ua raws li kev faib tawm (nws tsis yog cais tawm), txawm tias nws tuaj yeem siv los ua ib qho kev faib tawm, piv txwv li los ntawm kev xaiv tus nqi txiav tawm thiab faib cov khoom nkag nrog qhov tshwm sim ntau dua li qhov txiav tawm ua ib qho…
Yuav ua li cas logistic regression yuav siv tau raws li ib tug classifier?
Logistic regression yog ib qho yooj yim tsis tau zoo heev algorithm yog li nws yog feem ntau siv rau ntau yam binary faib ua hauj lwm. … Logistic regression qauv yuav siv sij hawm kab zauv sib npaug raws li cov tswv yim thiab siv logistic muaj nuj nqi thiab teev qhov txawv txav los uaua haujlwm binary.
Puas logistic regression yog kev faib lossis kev rov qab?
Logistic regression yog a kev faib tawm algorithm siv los muab kev soj ntsuam rau cov chav kawm sib cais. Qee qhov piv txwv ntawm cov teeb meem kev faib tawm yog Email spam lossis tsis spam, Online muas Fraud lossis tsis Fraud, Tumor Malignant lossis Benign.
Vim li cas logistic regression yog classifier?
Logistic regression yog ib qho supervised classification algorithm. Nyob rau hauv ib qho teeb meem kev faib tawm, lub hom phiaj sib txawv (lossis cov zis), y, tuaj yeem siv cov txiaj ntsig tsis sib xws rau qhov muab cov yam ntxwv (lossis cov khoom siv), X. Tsis zoo li kev ntseeg nrov, logistic regression yog tus qauv regression.
Puas logistic regression yog linear classifier?
Logistic Regression tau ib txwm siv los ua a linear classifier, piv txwv li thaum cov chav kawm tuaj yeem sib cais hauv qhov chaw tshwj xeeb los ntawm kab ciam teb. Qhov ntawd tuaj yeem kho tau txawm li cas los xij yog tias peb tshwm sim kom muaj lub tswv yim zoo dua li cov duab ntawm kev txiav txim siab ciam teb… … Qhov kev txiav txim siab ciam teb yog li linear.
