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

   lag_mins |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      1,426       14.26       14.26
          1 |         46        0.46       14.72
          2 |         61        0.61       15.33
          3 |         46        0.46       15.79
          4 |         39        0.39       16.18
          5 |         85        0.85       17.03
          6 |         49        0.49       17.52
          7 |         47        0.47       17.99
          8 |         53        0.53       18.52
          9 |         44        0.44       18.96
         10 |         86        0.86       19.82
         11 |         37        0.37       20.19
         12 |         44        0.44       20.63
         13 |         37        0.37       21.00
         14 |         24        0.24       21.24
         15 |         65        0.65       21.89
         16 |         31        0.31       22.20
         17 |         23        0.23       22.43
         18 |         38        0.38       22.81
         19 |         18        0.18       22.99
         20 |         75        0.75       23.74
         21 |         23        0.23       23.97
         22 |         31        0.31       24.28
         23 |         28        0.28       24.56
         24 |         25        0.25       24.81
         25 |         52        0.52       25.33
         26 |         28        0.28       25.61
         27 |         45        0.45       26.06
         28 |         30        0.30       26.36
         29 |         31        0.31       26.67
         30 |         77        0.77       27.44
         31 |         26        0.26       27.70
         32 |         34        0.34       28.04
         33 |         33        0.33       28.37
         34 |         24        0.24       28.61
         35 |         55        0.55       29.16
         36 |         31        0.31       29.47
         37 |         41        0.41       29.88
         38 |         35        0.35       30.23
         39 |         21        0.21       30.44
         40 |         53        0.53       30.97
         41 |         34        0.34       31.31
         42 |         35        0.35       31.66
         43 |         33        0.33       31.99
         44 |         27        0.27       32.26
         45 |         73        0.73       32.99
         46 |         16        0.16       33.15
         47 |         34        0.34       33.49
         48 |         29        0.29       33.78
         49 |         23        0.23       34.01
         50 |         61        0.61       34.62
         51 |         28        0.28       34.90
         52 |         28        0.28       35.18
         53 |         31        0.31       35.49
         54 |         27        0.27       35.76
         55 |         54        0.54       36.30
         56 |         21        0.21       36.51
         57 |         18        0.18       36.69
         58 |         28        0.28       36.97
         59 |         29        0.29       37.26
         99 |      6,274       62.74      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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