Frequencies for first 10,000 rows of diagsc12 variable in namcs1995 dataset : other | diag/screen | service #1 | - 2 dgt | Freq. Percent Cum. ------------+----------------------------------- 00 | 9,996 99.96 99.96 89 | 4 0.04 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 28 Mar 2016