Qhov kev xeem Wilcoxon piv ob pawg ua kethiab tuaj nyob rau hauv ob lub qauv, qhov kev xeem qeb thiab cov ntawv xeem kos npe. Lub hom phiaj ntawm qhov kev xeem yog los txiav txim seb ob lossis ntau pawg ntawm khub sib txawv ntawm ib leeg hauv ib qho tseem ceeb hauv kev txheeb cais.
Thaum twg yuav tsum xeem Wilcoxon?
Nws yog siv los sib piv ob pawg ntawm cov qhab nia uas los ntawm tib tus neeg koom. Qhov no tuaj yeem tshwm sim thaum peb xav tshawb xyuas qhov kev hloov pauv ntawm cov qhab nia ntawm ib lub sijhawm taw qhia mus rau lwm qhov, lossis thaum tus tib neeg raug rau ntau dua ib yam.
Wilcoxon qeb xeem yog dab tsi siv rau?
Qhov kev xeem Wilcoxon qeb duas feem ntau yog siv rau qhov kev sib piv ntawm ob pawg ntawm nonparametric (ib ntus lossis tsis nquag faib) cov ntaub ntawv, xws li cov uas tsis ntsuas raws nraim tab sis zoo li poob hauv qee qhov kev txwv (e.g., pes tsawg tus tsiaj tuag nyob rau hauv ib teev ntawm kev kawm mob).
Raws li qhov xwm txheej twg yog qhov kev sim Wilcoxon siv?
Qhov kev xeem Wilcoxon kos npe-qib xeem yog qhov tsis yog qhov ntsuas qhov ntsuas ntsuas qhov ntsuas tau siv los ntsuas qhov chaw ntawm cov qauv piv txwv lossis piv rau qhov chaw ntawm ob tus neeg siv cov qauv sib tw.
Qhov txawv ntawm Mann Whitney thiab Wilcoxon yog dab tsi?
Qhov txawv tseem ceeb yog the Mann-Whitney U-test xeem ob tus qauv ywj pheej, whereas Wilcox sign test tests two dependent samples. Kev xeem Wilcoxon Sign test yog ib qho kev xeem ntawm kev vam khom. Txhua qhov kev ntsuam xyuas kev vam khom xav tias qhov sib txawv ntawm qhov kev tshuaj ntsuam tuaj yeem muab faib ua cov kev ywj pheej thiab kev vam meej.
