The following steps display information about the data set Sashelp.Fish and create Figure B.4:

 
title 'Finland''s Lake Laengelmavesi Fish Catch Data';
proc contents data=sashelp.fish varnum; 
   ods select position; 
run;

title 'The First Five Observations Out of 159';
proc print data=sashelp.fish(obs=5); 
run;

title 'The Fish Species Variable';
proc freq data=sashelp.fish; 
   tables species; 
run;