Frequencies for first 10,000 rows of room_size_wvr_sw variable in pos1998 dataset : compliance: | patient | room size | Freq. Percent Cum. ------------+----------------------------------- | 9,898 98.98 98.98 1 | 102 1.02 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 17 May 2017