Frequencies for first 10,000 rows of skltn_rec_sw variable in pos1994 dataset : skeleton | record | indicator | Freq. Percent Cum. ------------+----------------------------------- | 9,275 92.75 92.75 Y | 725 7.25 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 17 May 2017