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. 2017 Nov 10;11:779. doi: 10.3332/ecancer.2017.779

Polychoric correlation coefficient for EGFR receptor status.

-ve +ve NA
type polychoric polychoric polychoric
rho 0.4578586 0.3712709 0.5545893
var 0.01312181 0.01860321 0.008961416
n 50 40 50
chisq 89.13907 74.80448 97.55861
df 103 119 154
ML FALSE FALSE FALSE