Frequencies for first 10,000 rows of SKLTN_REC_SW variable in pos2011 dataset : Skeleton | Record | Switch | Freq. Percent Cum. ------------+----------------------------------- N | 8,624 86.24 86.24 Y | 1,376 13.76 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 19 Apr 2019