Kev xav: Cov tub ntxhais kawm qhov kev xeem t-test yog ib qho kev xeem sib piv txhais tau tias, thaum Wilcoxon qhov kev ntsuam xyuas qhov kev txiav txim ntawm cov ntaub ntawv Piv txwv li, yog tias koj tab tom tshuaj xyuas cov ntaub ntawv nrog ntau qhov sib txawv xws li tus neeg muaj nyiaj txiag (qhov twg ob peb billionaires tuaj yeem cuam tshuam rau qhov tshwm sim), Wilcoxon qhov kev sim yuav tsim nyog dua.
Thaum twg koj siv Wilcoxon xeem?
Thaum twg koj muaj cov ntaub ntawv uas suav nrog cov qhab nia tseeb, Wilcoxon tau kos npe rau qib xeem yog nyiam. Thaum cov ntaub ntawv tsis yog cov qhab nia tseeb, lossis yog cov ntaub ntawv yog kev soj ntsuam, xws li "ntau dua" piv rau "tsawg dua" ces qhov kev xeem kos npe yog qhov tsim nyog statistic.
Thaum twg peb siv Wilcoxon Mann Whitney xeem?
Qhov kev xeem Mann Whitney U, qee zaum hu ua Mann Whitney Wilcoxon Test lossis Wilcoxon Rank Sum Test, yog siv los ntsuas kuaj seb ob tus qauv zoo li yuav tau los ntawm tib cov pejxeem (piv txwv li, tias qhov ob tug neeg muaj tib lub cev).
Thaum peb siv khub t-test thiab Wilcoxon kos npe-qib xeem?
Cov qauv ua ke Wilcoxon tau kos npe rau qib kev xeem thiab kos npe-kuaj yog tsis yog cov txheej txheem siv hauv kev sib piv ntawmqhov sib npaug ntawm qhov nruab nrab ntawm ob pawg neeg tshwj xeeb tshaj yog thaum qhov kev xav ntawm cov ntaub ntawv. ua txhaum. Qhov kev ntsuam xyuas ua rau siv cov ntaub ntawv tawm tswv yim los ntawm ib khub.
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 rau hauv qee qhov kev txwv (piv txwv li, pes tsawg tus tsiaj tuag nyob rau ib teev ntawm kev kawm mob hnyav).
