Frequencies for first 10,000 rows of cause23d variable in nhamcsed2000 dataset :

   cause of |
injury #2 - |
      broad |      Freq.     Percent        Cum.
------------+-----------------------------------
        000 |      9,878       98.78       98.78
        819 |          1        0.01       98.79
        848 |          1        0.01       98.80
        850 |          2        0.02       98.82
        854 |          2        0.02       98.84
        855 |          1        0.01       98.85
        866 |          1        0.01       98.86
        880 |          3        0.03       98.89
        882 |          1        0.01       98.90
        884 |         12        0.12       99.02
        885 |          7        0.07       99.09
        888 |         32        0.32       99.41
        904 |          1        0.01       99.42
        906 |          2        0.02       99.44
        915 |          1        0.01       99.45
        916 |          1        0.01       99.46
        917 |         14        0.14       99.60
        920 |          2        0.02       99.62
        926 |          1        0.01       99.63
        927 |          3        0.03       99.66
        934 |          1        0.01       99.67
        935 |          2        0.02       99.69
        939 |          1        0.01       99.70
        950 |          3        0.03       99.73
        955 |          1        0.01       99.74
        956 |          1        0.01       99.75
        958 |          1        0.01       99.76
        960 |          2        0.02       99.78
        967 |         19        0.19       99.97
        968 |          2        0.02       99.99
        980 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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