[R] How to add a dummy code for (G)LMER

Yune S. Lee yune@@ng@|ee @end|ng |rom gm@||@com
Sun Nov 4 22:34:26 CET 2018


Dear R experts --

I never needed to add a dummy column and always query statistical results
by querying summary(model) for GLMER. However, I was recently asked to add
a dummy column for interaction variables when performing GLMER. Could
anyone tell me if it's necessary to add a dummy column for GLMER or R
automatically handles it when outputting results?

Best,
Yune

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