Frequencies for first 10,000 rows of room_size_wvr_sw variable in pos1995 dataset : compliance: | patient | room size | Freq. Percent Cum. ------------+----------------------------------- | 9,880 98.80 98.80 1 | 120 1.20 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 17 May 2017