Dab tsi yog logistic regression hauv cov ntaub ntawv mining?

2024 Tus sau: Stanley Ellington | [email protected]. Kawg hloov kho: 2023-12-16 00:17

Logistic regression yog ib txoj kev tsom xam statistical siv los kwv yees a cov ntaub ntawv tus nqi raws li kev soj ntsuam ua ntej ntawm a cov ntaub ntawv teeb. A logistic regression qauv kwv yees ib tug nyob cov ntaub ntawv sib txawv los ntawm kev txheeb xyuas qhov kev sib raug zoo ntawm ib lossis ntau qhov kev hloov pauv ywj pheej uas twb muaj lawm.

Sib piv, dab tsi yog txhais los ntawm logistic regression?

Kev piav qhia. Logistic regression yog ib txoj hauv kev los txheeb xyuas cov ntaub ntawv uas muaj ib lossis ntau qhov txawv txav uas txiav txim siab txog qhov tshwm sim. Cov txiaj ntsig tau ntsuas nrog qhov sib txawv dichotomous (nyob rau hauv uas tsuas muaj ob qhov tshwm sim tau).

Ib yam li ntawd, dab tsi yog cov kev siv tswv yim ntawm logistic regression piav qhia txog ib qho piv txwv? Logistic regression yog ib txoj hauv kev rau kev kwv yees cov chav kawm binary. Cov txiaj ntsig lossis lub hom phiaj sib txawv yog binary hauv qhov xwm txheej. Rau piv txwv , nws tuaj yeem siv rau kev kuaj mob qog noj ntshav. Nws suav qhov tshwm sim ntawm ib xwm txheej tshwm sim.

Tsuas yog li ntawd, logistic regression zoo rau dab tsi?

Logistic regression yog qhov tsim nyog regression tsom xam los ua thaum qhov sib txawv ntawm qhov sib txawv yog dichotomous (binary). Logistic regression yog siv los piav qhia txog cov ntaub ntawv thiab piav qhia txog kev sib raug zoo ntawm ib qho kev sib txawv ntawm qhov sib txawv thiab ib lossis ntau qhov nominal, ordinal, interval lossis ratio-theem ywj pheej variables.

Thaum twg yuav tsum tau siv logistic regression rau kev txheeb xyuas cov ntaub ntawv?

Logistic Regression yog siv thaum qhov sib txawv ntawm qhov sib txawv (lub hom phiaj) yog categorical. Piv txwv li, Los kwv yees seb email yog spam (1) lossis (0) Seb cov qog puas yog malignant (1) lossis tsis (0)