Frequencies for segmentid variable in snp2018 dataset :

 Segment ID |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |     11,226       99.63       99.63
          1 |         12        0.11       99.73
          2 |          7        0.06       99.80
          3 |          7        0.06       99.86
          4 |          2        0.02       99.88
          5 |          2        0.02       99.89
          6 |          9        0.08       99.97
          7 |          3        0.03      100.00
------------+-----------------------------------
      Total |     11,268      100.00

by Jean Roth , jroth@nber.org , 10 Sep 2018