The k-Means algorithm tsis muaj feem xyuam rau cov ntaub ntawv categorical, vim cov categorical variables yog discrete thiab tsis muaj tej yam ntuj tso keeb kwm. Yog li xam euclidean nrug rau xws li qhov chaw tsis muaj qab hau.
Peb puas tuaj yeem siv pawg rau cov ntaub ntawv categorical?
Cov ntaub ntawv categorical tau hloov mus ua tus lej los ntawm kev muab cov nqi qeb. Nws yog ib tug uas ib tug categorical dataset tuaj yeem ua pawg raws li cov lej datasets..
txhais tau tias siv tau rau kev sib txawv ntawm pawg?
Yuav tsis muaj txoj hauv kevnrhiav qhov txhais tau los ntawm cov ntaub ntawv no vim tias tsis muaj "qhov nruab nrab" qhov muag xim. Koj tuaj yeem pom cov proportions, tab sis tsis yog qhov txhais tau tias. Vam tias qhov no yuav pab tau!
Yuav tsum siv dab tsi thaum cov ntaub ntawv yog categorical?
Categorical data is analysis using mode and median distributions, qhov twg cov ntaub ntawv nominal raug tshuaj xyuas nrog hom thaum cov ntaub ntawv ib txwm siv ob qho tib si. Qee qhov xwm txheej, cov ntaub ntawv tseem ceeb kuj tseem raug tshuaj xyuas siv cov kev txheeb cais tsis sib xws, cov txheeb cais sib txawv, cov ntawv thov rov qab, cov qauv sib txawv thiab cov txheej txheem kev faib tawm.
Dab tsi yog pawg nrog categorical cwj pwm?
Categorical data clustering yog hais txog cov ntaub ntawv uas cov ntaub ntawv cov khoom raug txhais raws categorical cwj pwm … tsis muaj daim ntawv qhia los ntawm categorical mus rau tus lej qhov tseem ceeb uas yog semantically sensible.
