Frequencies for first 10,000 rows of diagsc23 variable in nhamcsed1999 dataset :

      other |
diag/screen |
 service #2 |
    - 3 dgt |      Freq.     Percent        Cum.
------------+-----------------------------------
        000 |      9,966       99.66       99.66
        753 |          1        0.01       99.67
        891 |          4        0.04       99.71
        893 |          4        0.04       99.75
        894 |          1        0.01       99.76
        895 |          1        0.01       99.77
        896 |          1        0.01       99.78
        897 |          1        0.01       99.79
        903 |          4        0.04       99.83
        904 |          3        0.03       99.86
        909 |          4        0.04       99.90
        916 |          1        0.01       99.91
        917 |          1        0.01       99.92
        919 |          2        0.02       99.94
        950 |          2        0.02       99.96
        963 |          1        0.01       99.97
        999 |          3        0.03      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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