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

   lag_mins |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      1,461       14.61       14.61
          1 |         39        0.39       15.00
          2 |         47        0.47       15.47
          3 |         50        0.50       15.97
          4 |         38        0.38       16.35
          5 |         90        0.90       17.25
          6 |         44        0.44       17.69
          7 |         34        0.34       18.03
          8 |         43        0.43       18.46
          9 |         39        0.39       18.85
         10 |         59        0.59       19.44
         11 |         38        0.38       19.82
         12 |         40        0.40       20.22
         13 |         41        0.41       20.63
         14 |         36        0.36       20.99
         15 |         89        0.89       21.88
         16 |         32        0.32       22.20
         17 |         32        0.32       22.52
         18 |         30        0.30       22.82
         19 |         26        0.26       23.08
         20 |         71        0.71       23.79
         21 |         42        0.42       24.21
         22 |         31        0.31       24.52
         23 |         38        0.38       24.90
         24 |         29        0.29       25.19
         25 |         65        0.65       25.84
         26 |         30        0.30       26.14
         27 |         34        0.34       26.48
         28 |         25        0.25       26.73
         29 |         25        0.25       26.98
         30 |         65        0.65       27.63
         31 |         29        0.29       27.92
         32 |         25        0.25       28.17
         33 |         34        0.34       28.51
         34 |         30        0.30       28.81
         35 |         73        0.73       29.54
         36 |         25        0.25       29.79
         37 |         42        0.42       30.21
         38 |         33        0.33       30.54
         39 |         28        0.28       30.82
         40 |         66        0.66       31.48
         41 |         28        0.28       31.76
         42 |         38        0.38       32.14
         43 |         33        0.33       32.47
         44 |         30        0.30       32.77
         45 |         83        0.83       33.60
         46 |         39        0.39       33.99
         47 |         26        0.26       34.25
         48 |         33        0.33       34.58
         49 |         26        0.26       34.84
         50 |         63        0.63       35.47
         51 |         21        0.21       35.68
         52 |         17        0.17       35.85
         53 |         35        0.35       36.20
         54 |         21        0.21       36.41
         55 |         47        0.47       36.88
         56 |         29        0.29       37.17
         57 |         32        0.32       37.49
         58 |         30        0.30       37.79
         59 |         18        0.18       37.97
         99 |      6,203       62.03      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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