Frequencies for day variable in person dataset :

        day |      Freq.     Percent        Cum.
------------+-----------------------------------
          1 |         39        3.62        3.62
          2 |         32        2.97        6.59
          3 |         33        3.06        9.66
          4 |         40        3.71       13.37
          5 |         16        1.49       14.86
          6 |         17        1.58       16.43
          7 |         35        3.25       19.68
          8 |         46        4.27       23.96
          9 |         32        2.97       26.93
         10 |         40        3.71       30.64
         11 |         50        4.64       35.28
         12 |         42        3.90       39.18
         13 |         25        2.32       41.50
         14 |         20        1.86       43.36
         15 |         39        3.62       46.98
         16 |         24        2.23       49.21
         17 |         48        4.46       53.67
         18 |         41        3.81       57.47
         19 |         33        3.06       60.54
         20 |         31        2.88       63.42
         21 |         44        4.09       67.50
         22 |         20        1.86       69.36
         23 |         40        3.71       73.07
         24 |         42        3.90       76.97
         25 |         48        4.46       81.43
         26 |         45        4.18       85.61
         27 |         41        3.81       89.42
         28 |         28        2.60       92.01
         29 |         24        2.23       94.24
         30 |         36        3.34       97.59
         31 |         26        2.41      100.00
------------+-----------------------------------
      Total |      1,077      100.00

by Jean Roth , jroth@nber.org , 18 Apr 2016