As laug-skewed faib muaj ib tug ntev sab laug. Sab laug-skewed distributions tseem hu ua negatively-skewed distributions. Tias yog vim hais tias muaj tus Tsov tus tw ntev nyob rau hauv qhov kev coj tsis zoo ntawm tus lej kab. Qhov nruab nrab kuj yog rau sab laug ntawm lub ncov.
Dab tsi yog skewed sab laug?
Zoo, feem ntau yog tias kev faib cov ntaub ntawv yog skewed rau sab laug, qhov txhais tau tsawg dua qhov nruab nrab, uas feem ntau tsawg dua hom. Yog tias qhov kev faib tawm ntawm cov ntaub ntawv yog skewed rau sab xis, hom feem ntau tsawg dua qhov nruab nrab, uas tsawg dua qhov nruab nrab.
piv txwv ntawm kev faib tawm sab laug yog dab tsi?
Ib qho kev faib tawm yog hu ua skewed sab laug yog, raws li nyob rau hauv histogram saum toj no, sab laug tus Tsov tus tw (tus nqi me me) ntev npaum li tus Tsov tus tw (tus nqi loj dua). … Ib qho piv txwv ntawm lub neej txawv txav uas muaj qhov sib txawv ntawm sab laug yog hnub nyoog ntawm kev tuag los ntawm ntuj tsim (mob plawv, mob qog noj ntshav, thiab lwm yam).
Kev faib tawm twg yog sab laug-skewed?
Txoj kev daws teeb meem: thawj qhov kev faib tawm yog skewed ntau.
Kev faib tawm tuaj yeem sab laug thiab sab xis?
Hauv kev txheeb cais, qhov zoo skewed (los yog txoj cai-skewed) faib yog ib hom kev faib khoom uas feem ntau muaj nuj nqis yog clustered nyob ib ncig ntawm sab laug tus Tsov tus tw thaum tus Tsov tus tw sab xis ntawm kev faib yog ntev dua.
