Dab tsi yog qhov kev kwv yees sib txawv hauv kev txheeb xyuas regression?
Dab tsi yog qhov kev kwv yees sib txawv hauv kev txheeb xyuas regression?

Video: Dab tsi yog qhov kev kwv yees sib txawv hauv kev txheeb xyuas regression?

Video: Dab tsi yog qhov kev kwv yees sib txawv hauv kev txheeb xyuas regression?
Video: Koj pom dab tsi? What do you see? 2024, Kaum ib hlis
Anonim

Nyob rau hauv yooj yim linear regression , peb kwv yees qhab nias ntawm ib sib txawv los ntawm cov qhab nia ntawm ib thib ob sib txawv . Cov sib txawv peb yog kwv yees yog hu ua tus txheej txheem sib txawv thiab hu ua Y. The sib txawv peb nyob ntawm peb twv ua ntej on npe kwv yees sib txawv thiab hu ua X.

Kuj paub, dab tsi yog qhov kev kwv yees sib txawv?

A kwv yees variable yog a sib txawv siv nyob rau hauv regression los kwv yees lwm tus sib txawv . Nws yog qee zaum hu ua kev ywj pheej sib txawv yog hais tias nws yog manipulated es tsis yog ntsuas xwb.

Ib tug kuj yuav nug, dab tsi yog qhov piv txwv piv txwv piv txwv? Hauv no piv txwv , tuaj koom yog kwv yees sib txawv . A kwv yees sib txawv yog a sib txawv uas yog siv los kwv yees ib co sib txawv los yog qhov tshwm sim. Hauv piv txwv peb nyuam qhuav siv tam sim no, Mia yog siv kev tuaj koom ua ib txoj hauv kev kwv yees lwm sib txawv , qhov qhab nia nruab nrab.

Ib tug kuj yuav nug, dab tsi txawv txawv yog kwv yees nyob rau hauv regression tsom xam?

ywj pheej variable

Dab tsi yog qhov kev kwv yees sib txawv hauv ntau qhov kev hloov pauv?

Ntau yam kev thim rov qab (ib qho ntxiv ntawm qhov yooj yim linear regression ) yog siv rau kwv yees tus nqi ntawm ib tug nyob sib txawv (tseem hu ua qhov tshwm sim sib txawv ) raws li tus nqi ntawm ob lossis ntau dua ywj siab sib txawv (tseem hu ua kwv yees variables ).

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