Hi everyone, I have a quick question about the random part in lme(). Here is the code: > lme(WBEING~HRS+LEAD+G.HRS,random=~LEAD|GRP) I want to specify both random intercept and random slope of LEAD. Is the random intercept already in it? or should I specify it like: > lme(WBEING~HRS+LEAD+G.HRS,random=~1+LEAD|GRP) ? Thank you very much. Best regards, YA