Frequencies for first 10,000 rows of diagsc23 variable in nhamcsopd1997 dataset :

      other |
diag/screen |
 service #2 |
    - 3 dgt |      Freq.     Percent        Cum.
------------+-----------------------------------
        000 |      9,853       98.53       98.53
        122 |          2        0.02       98.55
        381 |          1        0.01       98.56
        671 |          1        0.01       98.57
        751 |          1        0.01       98.58
        753 |         23        0.23       98.81
        774 |          1        0.01       98.82
        884 |          1        0.01       98.83
        889 |          2        0.02       98.85
        891 |          7        0.07       98.92
        893 |         46        0.46       99.38
        895 |          1        0.01       99.39
        896 |          1        0.01       99.40
        897 |          2        0.02       99.42
        909 |          5        0.05       99.47
        914 |          8        0.08       99.55
        916 |          1        0.01       99.56
        919 |          1        0.01       99.57
        920 |          1        0.01       99.58
        930 |         11        0.11       99.69
        944 |          1        0.01       99.70
        950 |          3        0.03       99.73
        951 |         16        0.16       99.89
        978 |          2        0.02       99.91
        999 |          9        0.09      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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