Frequencies for first 10,000 rows of diagsc13 variable in nhamcsed1999 dataset :

      other |
diag/screen |
 service #1 |
    - 3 dgt |      Freq.     Percent        Cum.
------------+-----------------------------------
        000 |      8,891       88.91       88.91
        001 |          1        0.01       88.92
        220 |          3        0.03       88.95
        389 |          1        0.01       88.96
        452 |          1        0.01       88.97
        753 |          5        0.05       89.02
        860 |          1        0.01       89.03
        861 |          1        0.01       89.04
        884 |          1        0.01       89.05
        890 |          1        0.01       89.06
        891 |          5        0.05       89.11
        893 |        510        5.10       94.21
        894 |          7        0.07       94.28
        895 |          2        0.02       94.30
        896 |         42        0.42       94.72
        897 |        255        2.55       97.27
        903 |        105        1.05       98.32
        904 |         16        0.16       98.48
        909 |         34        0.34       98.82
        911 |          1        0.01       98.83
        913 |          4        0.04       98.87
        914 |          8        0.08       98.95
        916 |          9        0.09       99.04
        917 |          1        0.01       99.05
        919 |         52        0.52       99.57
        939 |          1        0.01       99.58
        940 |          2        0.02       99.60
        944 |          3        0.03       99.63
        990 |          1        0.01       99.64
        999 |         36        0.36      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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