Frequencies for first 10,000 rows of hlt_eretinop variable in mcbsatc2013 datas

  Ever told |
   diabetic |
retinopathy |      Freq.     Percent        Cum.
------------+-----------------------------------
         -8 |         91        0.91        0.91
         -7 |          1        0.01        0.92
          1 |        286        2.86        3.78
          2 |      8,560       85.60       89.38
          . |      1,062       10.62      100.00
------------+-----------------------------------
      Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 24 May 2016