Frequencies for first 10,000 rows of drug4cl2 variable in nhamcsed2002 dataset : drug4cl2 | Freq. Percent Cum. ------------+----------------------------------- | 9,825 98.25 98.25 0120 | 7 0.07 98.32 0121 | 1 0.01 98.33 0502 | 1 0.01 98.34 0507 | 1 0.01 98.35 0508 | 1 0.01 98.36 0512 | 4 0.04 98.40 0513 | 2 0.02 98.42 0874 | 2 0.02 98.44 0878 | 2 0.02 98.46 0913 | 2 0.02 98.48 0915 | 1 0.01 98.49 1265 | 4 0.04 98.53 1275 | 12 0.12 98.65 1373 | 6 0.06 98.71 1567 | 1 0.01 98.72 1568 | 3 0.03 98.75 1569 | 5 0.05 98.80 1671 | 29 0.29 99.09 1721 | 7 0.07 99.16 1722 | 1 0.01 99.17 1724 | 23 0.23 99.40 1727 | 2 0.02 99.42 1728 | 41 0.41 99.83 1943 | 3 0.03 99.86 1944 | 1 0.01 99.87 2095 | 13 0.13 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 28 Mar 2016