Dear R experts, I want to extract standard error from the output of lme, but I found fix.effects() does not include SE of the coefficients. Many thanks in advance. Best regards, Yu-Kang _________________________________________________________________ ²{¦b´N¤W MSN ·|û¥Ø¿ý¡G¦b½u¤Wµ²¥æ·sªB¤Í¡A§ä¨ì¿³½ì¬Û§ëªº¹Ù¦ñ