Frequencies for first 10,000 rows of prov2095 variable in pos2006 dataset : spec: | cardiovascu | lar | Freq. Percent Cum. ------------+----------------------------------- | 9,531 95.31 95.31 N | 445 4.45 99.76 Y | 24 0.24 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 26 Jan 2016