Frequencies for first 10,000 rows of skltn_rec_sw variable in pos1992 dataset : skeleton | record | indicator | Freq. Percent Cum. ------------+----------------------------------- | 8,661 86.61 86.61 Y | 1,339 13.39 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 17 May 2017