Frequencies for first 10,000 rows of minute variable in person dataset :

     minute |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |        602        6.02        6.02
          1 |         76        0.76        6.78
          2 |         89        0.89        7.67
          3 |        130        1.30        8.97
          4 |        113        1.13       10.10
          5 |        375        3.75       13.85
          6 |         89        0.89       14.74
          7 |        102        1.02       15.76
          8 |        106        1.06       16.82
          9 |         79        0.79       17.61
         10 |        384        3.84       21.45
         11 |         77        0.77       22.22
         12 |        108        1.08       23.30
         13 |        118        1.18       24.48
         14 |        127        1.27       25.75
         15 |        450        4.50       30.25
         16 |        106        1.06       31.31
         17 |        112        1.12       32.43
         18 |        162        1.62       34.05
         19 |        145        1.45       35.50
         20 |        367        3.67       39.17
         21 |         83        0.83       40.00
         22 |         77        0.77       40.77
         23 |         60        0.60       41.37
         24 |        105        1.05       42.42
         25 |        285        2.85       45.27
         26 |        100        1.00       46.27
         27 |        115        1.15       47.42
         28 |         99        0.99       48.41
         29 |         62        0.62       49.03
         30 |        590        5.90       54.93
         31 |         71        0.71       55.64
         32 |        109        1.09       56.73
         33 |        100        1.00       57.73
         34 |         81        0.81       58.54
         35 |        347        3.47       62.01
         36 |         86        0.86       62.87
         37 |         83        0.83       63.70
         38 |        157        1.57       65.27
         39 |        107        1.07       66.34
         40 |        412        4.12       70.46
         41 |         90        0.90       71.36
         42 |        135        1.35       72.71
         43 |        109        1.09       73.80
         44 |         94        0.94       74.74
         45 |        457        4.57       79.31
         46 |         53        0.53       79.84
         47 |         89        0.89       80.73
         48 |         92        0.92       81.65
         49 |        115        1.15       82.80
         50 |        379        3.79       86.59
         51 |         67        0.67       87.26
         52 |        110        1.10       88.36
         53 |         97        0.97       89.33
         54 |        118        1.18       90.51
         55 |        289        2.89       93.40
         56 |        106        1.06       94.46
         57 |        123        1.23       95.69
         58 |        110        1.10       96.79
         59 |         86        0.86       97.65
         99 |        235        2.35      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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