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

   lag_mins |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      1,477       14.77       14.77
          1 |         57        0.57       15.34
          2 |         56        0.56       15.90
          3 |         69        0.69       16.59
          4 |         64        0.64       17.23
          5 |         83        0.83       18.06
          6 |         44        0.44       18.50
          7 |         48        0.48       18.98
          8 |         39        0.39       19.37
          9 |         39        0.39       19.76
         10 |         63        0.63       20.39
         11 |         40        0.40       20.79
         12 |         52        0.52       21.31
         13 |         37        0.37       21.68
         14 |         37        0.37       22.05
         15 |         93        0.93       22.98
         16 |         35        0.35       23.33
         17 |         29        0.29       23.62
         18 |         36        0.36       23.98
         19 |         31        0.31       24.29
         20 |         67        0.67       24.96
         21 |         30        0.30       25.26
         22 |         33        0.33       25.59
         23 |         29        0.29       25.88
         24 |         36        0.36       26.24
         25 |         73        0.73       26.97
         26 |         39        0.39       27.36
         27 |         38        0.38       27.74
         28 |         38        0.38       28.12
         29 |         31        0.31       28.43
         30 |         72        0.72       29.15
         31 |         30        0.30       29.45
         32 |         44        0.44       29.89
         33 |         27        0.27       30.16
         34 |         38        0.38       30.54
         35 |         70        0.70       31.24
         36 |         39        0.39       31.63
         37 |         42        0.42       32.05
         38 |         32        0.32       32.37
         39 |         24        0.24       32.61
         40 |         64        0.64       33.25
         41 |         33        0.33       33.58
         42 |         42        0.42       34.00
         43 |         30        0.30       34.30
         44 |         31        0.31       34.61
         45 |         52        0.52       35.13
         46 |         25        0.25       35.38
         47 |         33        0.33       35.71
         48 |         44        0.44       36.15
         49 |         34        0.34       36.49
         50 |         57        0.57       37.06
         51 |         32        0.32       37.38
         52 |         28        0.28       37.66
         53 |         34        0.34       38.00
         54 |         21        0.21       38.21
         55 |         58        0.58       38.79
         56 |         25        0.25       39.04
         57 |         31        0.31       39.35
         58 |         39        0.39       39.74
         59 |         37        0.37       40.11
         99 |      5,989       59.89      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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