Frequencies for first 10,000 rows of therpr2 variable in nhamcsopd2000 dataset : other | therapeutic | /preventive | service #2 | Freq. Percent Cum. ------------+----------------------------------- 0000 | 9,969 99.69 99.69 5794 | 1 0.01 99.70 8628 | 2 0.02 99.72 9149 | 1 0.01 99.73 9353 | 1 0.01 99.74 9357 | 4 0.04 99.78 9359 | 2 0.02 99.80 9381 | 12 0.12 99.92 9445 | 2 0.02 99.94 9449 | 1 0.01 99.95 9511 | 1 0.01 99.96 9541 | 1 0.01 99.97 9639 | 1 0.01 99.98 9659 | 1 0.01 99.99 9903 | 1 0.01 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 28 Mar 2016