Frequencies for scipinf2ipstr variable in hvbp_hai_05_28_2013 dataset :

 SCIP-Inf-2 |
Improvement |
     Points |      Freq.     Percent        Cum.
------------+-----------------------------------
 0 out of 9 |        926       31.03       31.03
 1 out of 9 |        113        3.79       34.82
 2 out of 9 |        124        4.16       38.97
 3 out of 9 |        162        5.43       44.40
 4 out of 9 |        200        6.70       51.11
 5 out of 9 |        226        7.57       58.68
 6 out of 9 |        258        8.65       67.33
 7 out of 9 |        244        8.18       75.50
 8 out of 9 |        179        6.00       81.50
 9 out of 9 |        429       14.38       95.88
        N/A |        123        4.12      100.00
------------+-----------------------------------
      Total |      2,984      100.00

by Jean Roth , jroth@nber.org , 16 Nov 2016