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

   lag_mins |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      1,482       14.82       14.82
          1 |         42        0.42       15.24
          2 |         51        0.51       15.75
          3 |         35        0.35       16.10
          4 |         40        0.40       16.50
          5 |        100        1.00       17.50
          6 |         43        0.43       17.93
          7 |         42        0.42       18.35
          8 |         37        0.37       18.72
          9 |         38        0.38       19.10
         10 |        107        1.07       20.17
         11 |         24        0.24       20.41
         12 |         40        0.40       20.81
         13 |         34        0.34       21.15
         14 |         15        0.15       21.30
         15 |         97        0.97       22.27
         16 |         31        0.31       22.58
         17 |         27        0.27       22.85
         18 |         35        0.35       23.20
         19 |         23        0.23       23.43
         20 |         70        0.70       24.13
         21 |         26        0.26       24.39
         22 |         25        0.25       24.64
         23 |         27        0.27       24.91
         24 |         19        0.19       25.10
         25 |         56        0.56       25.66
         26 |         33        0.33       25.99
         27 |         24        0.24       26.23
         28 |         28        0.28       26.51
         29 |         23        0.23       26.74
         30 |         89        0.89       27.63
         31 |         23        0.23       27.86
         32 |         34        0.34       28.20
         33 |         29        0.29       28.49
         34 |         22        0.22       28.71
         35 |         79        0.79       29.50
         36 |         18        0.18       29.68
         37 |         29        0.29       29.97
         38 |         29        0.29       30.26
         39 |         26        0.26       30.52
         40 |         70        0.70       31.22
         41 |         20        0.20       31.42
         42 |         29        0.29       31.71
         43 |         23        0.23       31.94
         44 |         25        0.25       32.19
         45 |         69        0.69       32.88
         46 |         22        0.22       33.10
         47 |         19        0.19       33.29
         48 |         35        0.35       33.64
         49 |         20        0.20       33.84
         50 |         51        0.51       34.35
         51 |         18        0.18       34.53
         52 |         30        0.30       34.83
         53 |         28        0.28       35.11
         54 |         22        0.22       35.33
         55 |         52        0.52       35.85
         56 |         19        0.19       36.04
         57 |         34        0.34       36.38
         58 |         19        0.19       36.57
         59 |         21        0.21       36.78
         99 |      6,322       63.22      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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