Frequencies for first 10,000 rows of diagsc22 variable in nhamcsopd1997 dataset :

      other |
diag/screen |
 service #2 |
     - 2dgt |      Freq.     Percent        Cum.
------------+-----------------------------------
         00 |      9,853       98.53       98.53
         12 |          2        0.02       98.55
         38 |          1        0.01       98.56
         67 |          1        0.01       98.57
         75 |         24        0.24       98.81
         77 |          1        0.01       98.82
         88 |          3        0.03       98.85
         89 |         57        0.57       99.42
         90 |          5        0.05       99.47
         91 |         10        0.10       99.57
         92 |          1        0.01       99.58
         93 |         11        0.11       99.69
         94 |          1        0.01       99.70
         95 |         19        0.19       99.89
         97 |          2        0.02       99.91
         99 |          9        0.09      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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