Frequencies for first 10,000 rows of vctnl_srvc_onst_nrsdnt_sw variable in pos1993 dataset : srv: | vocational- | onsite-non | resid | Freq. Percent Cum. ------------+----------------------------------- | 7,627 76.27 76.27 N | 2,354 23.54 99.81 Y | 19 0.19 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 17 May 2017