Frequencies for first 10,000 rows of vctnl_srvc_onst_nrsdnt_sw variable in pos2006 dataset : srv: | vocational- | onsite-non | resid | Freq. Percent Cum. ------------+----------------------------------- | 7,456 74.56 74.56 N | 2,533 25.33 99.89 Y | 11 0.11 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 17 May 2017