Frequencies for first 10,000 rows of othther variable in namcs1998 dataset : all other | therapeutic | /preventive | services | Freq. Percent Cum. ------------+----------------------------------- 0 | 9,223 92.23 92.23 1 | 777 7.77 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 28 Mar 2016