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

   lag_mins |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      1,489       14.89       14.89
          1 |         39        0.39       15.28
          2 |         39        0.39       15.67
          3 |         40        0.40       16.07
          4 |         39        0.39       16.46
          5 |        102        1.02       17.48
          6 |         41        0.41       17.89
          7 |         29        0.29       18.18
          8 |         33        0.33       18.51
          9 |         27        0.27       18.78
         10 |        105        1.05       19.83
         11 |         24        0.24       20.07
         12 |         28        0.28       20.35
         13 |         30        0.30       20.65
         14 |         28        0.28       20.93
         15 |         99        0.99       21.92
         16 |         32        0.32       22.24
         17 |         36        0.36       22.60
         18 |         26        0.26       22.86
         19 |         29        0.29       23.15
         20 |         69        0.69       23.84
         21 |         26        0.26       24.10
         22 |         34        0.34       24.44
         23 |         23        0.23       24.67
         24 |         26        0.26       24.93
         25 |         62        0.62       25.55
         26 |         29        0.29       25.84
         27 |         35        0.35       26.19
         28 |         48        0.48       26.67
         29 |         19        0.19       26.86
         30 |         82        0.82       27.68
         31 |         21        0.21       27.89
         32 |         25        0.25       28.14
         33 |         21        0.21       28.35
         34 |         23        0.23       28.58
         35 |         74        0.74       29.32
         36 |         31        0.31       29.63
         37 |         22        0.22       29.85
         38 |         30        0.30       30.15
         39 |         26        0.26       30.41
         40 |         65        0.65       31.06
         41 |         27        0.27       31.33
         42 |         38        0.38       31.71
         43 |         30        0.30       32.01
         44 |         27        0.27       32.28
         45 |         63        0.63       32.91
         46 |         27        0.27       33.18
         47 |         22        0.22       33.40
         48 |         30        0.30       33.70
         49 |         24        0.24       33.94
         50 |         70        0.70       34.64
         51 |         29        0.29       34.93
         52 |         18        0.18       35.11
         53 |         26        0.26       35.37
         54 |         25        0.25       35.62
         55 |         48        0.48       36.10
         56 |         23        0.23       36.33
         57 |         38        0.38       36.71
         58 |         30        0.30       37.01
         59 |         22        0.22       37.23
         99 |      6,277       62.77      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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