Frequencies for first 10,000 rows of ot_srvc_onst_nrsdnt_sw variable in pos1998 dataset : srv: occup | ther-onsite | -non resid | Freq. Percent Cum. ------------+----------------------------------- | 7,422 74.22 74.22 N | 2,473 24.73 98.95 Y | 105 1.05 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 17 May 2017