Using the commands below, I managed to impute and then do a t-test. But it fails to get the pooled estimate because I keep getting error messages. I have already looked in the manual of ‘proc mianalyze’, but I cannot find any examples that shows the mean, standard deviation and confidence intervals.   proc mi data= b1 nimpute=25 out=out1; var x1..Xn; fcs regpmm(x1..Xn); run;   proc ttest data=out1;  by _imputation_;  class classvar;  var x1..Xn; ods output statistics=out2; run;   Does anyone have an example of how this should be done, or is there a publication where I could extract this. Thanks in advance. Edmund ... View more