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The vertical axis label "Variable=<varname>" is missing from the
side-by-side, or schematic, box plots in PROC UNIVARIATE.

To circumvent this problem, omit the side-by-side box plots with an ODS
statement and use either PROC SHEWHART or PROC GPLOT to generate the
plots instead. For example:

     proc univariate data=dset plot;
       ods listing exclude ssplots;
       by byvar;
       var x y z;
     run;
     proc shewhart data=dset;
       boxchart (x y z)*byvar;
     run;
     proc gplot data=dset;
       symbol i=box;
       plot (x y z)*byvar;
     run;

In the default box plots produced by PROC SHEWHART and PROC GPLOT, the
whiskers are drawn to the extreme values in each BY group. Refer to the
Online Documentation for options on alternate specifications.

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