Let's say I have some simple code like what is below.
proc sort; by var1 var2; run; proc gplot; plot y*x ; by var1 var2; run;
In the output, there are a bunch of graphs. In addition to all the combinations of values of var1 and var2, I also get charts where
var1=. in combination with each value of var2 (etc). Does the
var1=. mean the plot is including all values of var1? Or data where var1 is somehow blank? Or something else? Is there a way I can get these to not print out (i.e. if I want exactly as many plots as there are combinations of var1 and var2)? It's not a big deal for only two variables, but creates a lot of extra plots to scroll through when using more variables.