Frequencies for first 10,000 rows of skltn_rec_sw variable in pos2005 dataset : skeleton | record | indicator | Freq. Percent Cum. ------------+----------------------------------- | 9,021 90.21 90.21 N | 145 1.45 91.66 Y | 834 8.34 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 17 May 2017