Frequencies for first 10,000 rows of actvty_onst_nrsdnt_sw variable in pos1999 dataset : srv: | activities- | onsite-non | res | Freq. Percent Cum. ------------+----------------------------------- | 7,387 73.87 73.87 N | 2,565 25.65 99.52 Y | 48 0.48 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 17 May 2017