Frequencies for first 10,000 rows of diagsc22 variable in nhamcsopd1999 dataset :

      other |
diag/screen |
 service #2 |
     - 2dgt |      Freq.     Percent        Cum.
------------+-----------------------------------
         00 |      9,857       98.57       98.57
         03 |          1        0.01       98.58
         08 |          1        0.01       98.59
         31 |          1        0.01       98.60
         45 |          7        0.07       98.67
         70 |          1        0.01       98.68
         75 |         12        0.12       98.80
         88 |          1        0.01       98.81
         89 |         89        0.89       99.70
         90 |          3        0.03       99.73
         91 |         14        0.14       99.87
         93 |          2        0.02       99.89
         94 |          1        0.01       99.90
         95 |          3        0.03       99.93
         96 |          1        0.01       99.94
         99 |          6        0.06      100.00
------------+-----------------------------------
      Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 28 Mar 2016