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2002 May 13
0
Plot fixed effect with covariates failed
Dear R-help; I created a nlme model (Xnlme) with 3 fixed effects B1, B2, and B3. The random effects and available covariates in the groupedData were extracted with raned(): >Xnlme.ranef <- ranef(Xnlme, aug = T) When the fixed effect was plotted against covarites, an error occurred: >plot(Xnlme.ranef, form = B1 ~ ps + dr + el + s...