Qhov sib txheeb coefficient yog qhov kev ntsuas tshwj xeeb uas ntsuas qhov muaj zog ntawm kev sib raug zoo ntawm ob qhov sib txawv hauv kev sib raug zoo kev tshuaj xyuas. Tus coefficient yog qhov peb cim nrog tus r hauv daim ntawv qhia txog kev sib raug zoo.
Koj txhais li cas sib txheeb coefficients?
Yuav txhais li cas Kev Sib Txuas Coefficient r
- Nco ntsoov –1. Kev sib raug zoo ntawm downhill (tsis zoo) linear kev sib raug zoo.
- –0.70. Kev sib raug zoo ntawm kev poob qis (tsis zoo) kab.
- –0.50. Kev sib raug zoo me ntsis downhill (tsis zoo).
- –0.30. Kev sib raug zoo tsis muaj zog downhill (tsis zoo) linear kev sib raug zoo.
- Tsis muaj kev sib raug zoo.
- +0.30. …
- +0.50. …
- +0.70.
Kev sib txheeb ntawm 0.7 txhais li cas?
Qhov no yog txhais raws li hauv qab no: tus nqi sib txheeb ntawm 0.7 ntawm ob qhov sib txawv yuav qhia tau tias kev sib raug zoo tseem ceeb ntawm ob.
Kev sib txheeb coefficients siv rau dab tsi?
Nyob rau hauv cov ntsiab lus, correlation coefficients yog used los ntsuas lub zog thiab kev taw qhia ntawm kev sib raug zoo ntawm cov khub sib txawv. Thaum ob qho tib si sib txawv ib txwm muab faib siv Pearson's correlation coefficient , txwv tsis pub siv Spearman's correlation coefficient.
4 yam kev sib txheeb yog dab tsi?
Feem ntau, hauv kev txheeb cais, peb ntsuas plaub homKev sib raug zoo: Pearson correlation, Kendall rank correlation, Spearman correlation, and the Point-Biserial correlation.
