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 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.
Vim li cas koj thiaj siv Wilcoxon xeem?
Qhov kev xeem Wilcoxon sib piv ob pawg ua ke thiab tuaj nyob rau hauv ob lub versions, qhov qhab nia xeem thiab kos npe xeem. Lub hom phiaj ntawm qhov kev xeem yog txhawm rau txiav txim siab yog tias ob lossis ntau pawg ntawm khub sib txawv ntawm ib leeg hauv ib qho tseem ceeb.
Kuv yuav tsum siv Wilcoxon lossis t-test?
Txoj cai ntawm tus ntiv tes xoo hais tias " Wilcoxon kev xeem muaj txog 95% ntawm lub zog ntawm t-test yog tias cov ntaub ntawv tiag tiag yog qhov qub, thiab feem ntau muaj zog dua yog tias cov ntaub ntawv yeej ib txwm muaj. cov ntaub ntawv tsis yog, yog li tsuas yog siv Wilcoxon" qee zaum hnov, tab sis yog tias 95% tsuas yog siv rau n loj, qhov no yog qhov laj thawj rau cov qauv me me.
Vim li cas Wilcoxon zoo dua li kos npe xeem?
Thaum qhov kev ntsuas nyob ntawm t-test kuaj seb qhov nruab nrab qhov sib txawv ntawm ob qhov kev soj ntsuam yog 0, Wilcoxon kuaj seb qhov txawv ntawm ob qhov kev soj ntsuam muaj qhov txhais tau kos npe ntawm 0. Yog li nws yog ntau ntau zog tiv thaiv outliers thiab hnyav tail distributions
