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 peb thiaj siv Wilcoxon kos npe-qib xeem?
Qhov kev xeem Wilcoxon yog qhov ntsuas tsis zoo ntawm cov lej uas sib piv ob pawg ua ke, thiab tuaj nyob rau hauv ob hom kev xeem Rank Sum lossis kev xeem Kos Npe. 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
Thaum twg yuav tsum siv Wilcoxon matched khub kos npe rau qib xeem?
Nws yog feem ntau siv los ntsuas rau qhov sib txawv ntawm qhov nruab nrab (lossis nruab nrab) ntawm kev sib txuas ua ke- seb qhov ntsuas ntawm cov khub lossis ua ntej thiab tom qab ntsuas tib yam chav tsev. Nws kuj tseem tuaj yeem siv los ua ib qho kev sim ib qho los kuaj seb ib qho qauv twg los ntawm cov pej xeem nrog qhov nruab nrab teev.
Kuv yuav tsum siv Wilcoxon lossis t-test?
Txoj cai ntawm tus ntiv tes xoo hais tias " Wilcoxon cov 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.
