Hi, I have a multiple regression model: y=x1+x2+e, where x1 is a continuous variable and x2 is a categorical variable (can either be fixed or random). I am trying to get a SE or Confidence interval for mean reponse at given level of x1, such as x1=20. But LSMEANS statement can only used for categorical variable.
Edit on 8/19:
As the accepted solution stated, the BLUE can be estimated as
lsmestimate sex 'Overall LS mean' 1 1 / at height=60 divisor=2 cl;
After some reading, I found another way to do it:
Estimate 'Overall LS mean' intercept 1 height 60/cl;
This statement can also be used in model when the catergorical factor is random effect (sex in this case, although not proper to be treated as random).
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