search for: z1b

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2005 Jul 22
1
find confounder in covariates
...y(f) Call: lm(formula = y ~ ., data = Xmat) Residuals: Min 1Q Median 3Q Max -1.2853 -0.3708 -0.1224 0.4617 1.2821 Coefficients: (2 not defined because of singularities) Estimate Std. Error t value Pr(>|t|) (Intercept) 0.82141 0.44583 1.842 0.1150 z1B -1.34167 0.65176 -2.059 0.0852 . z1C 0.80891 1.07639 0.751 0.4808 z2Bb NA NA NA NA z2Cc NA NA NA NA z3 0.04231 0.23397 0.181 0.8625 --- Signif. codes: 0 '***' 0.001 '*...