Grouping variables or creating a new variable using

Grouping variables or creating a new variable using

IF/THEN ELSE statement

data a;

input dens percent @@;

datalines;

0.453 0.42..0.470 0.46..0.396 0.39 .0.430 0.46

;

run;

data a; set a ;

if dens>=0.450 and percent>=0.40 then type='T';

else type='J' ;

run;