Hi exports,   I have a table which contain 5 dummy variables. How could I drop any variable if number of "1" is less than 10% . something like:   data tmp; set df; array var(i) var1--var5; IF sum(var)/total le 0.1 THEN drop; run; ... View more

Hi experts, I just start to use SAS and have a task to create a crosstab table. The table 1 below is the dataset with all dummy variables and how could I use SAS to generate the table like table 2? Table 2 shows that how many observation have both A&B or B&C or A&C. ... View more