Frequencies for first 10,000 rows of diagsc23 variable in nhamcsopd1999 dataset :

      other |
diag/screen |
 service #2 |
    - 3 dgt |      Freq.     Percent        Cum.
------------+-----------------------------------
        000 |      9,857       98.57       98.57
        033 |          1        0.01       98.58
        081 |          1        0.01       98.59
        314 |          1        0.01       98.60
        451 |          2        0.02       98.62
        452 |          4        0.04       98.66
        457 |          1        0.01       98.67
        702 |          1        0.01       98.68
        751 |          1        0.01       98.69
        753 |         11        0.11       98.80
        889 |          1        0.01       98.81
        890 |          2        0.02       98.83
        891 |          2        0.02       98.85
        893 |         68        0.68       99.53
        894 |          1        0.01       99.54
        895 |         12        0.12       99.66
        897 |          4        0.04       99.70
        903 |          1        0.01       99.71
        909 |          2        0.02       99.73
        913 |          1        0.01       99.74
        914 |         10        0.10       99.84
        916 |          1        0.01       99.85
        919 |          2        0.02       99.87
        930 |          1        0.01       99.88
        939 |          1        0.01       99.89
        941 |          1        0.01       99.90
        950 |          1        0.01       99.91
        954 |          2        0.02       99.93
        963 |          1        0.01       99.94
        990 |          1        0.01       99.95
        999 |          5        0.05      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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