Proc SQL Tricks:1

Draw a horizontal histogram :

A histogram visualizes the distribution pattern of a variable. PROC SQL can draw a horizontal histogram

by showing the frequency bars with a few asterisks for each level of the variable age.

procsql;

 selectage, repeat('*',count(*)*4) as Frequency

  fromSashelp.class

   groupby age

    orderby age;

quit;

OUTPUT: