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

   lag_mins |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      1,282       12.82       12.82
          1 |         56        0.56       13.38
          2 |         77        0.77       14.15
          3 |         52        0.52       14.67
          4 |         46        0.46       15.13
          5 |        101        1.01       16.14
          6 |         54        0.54       16.68
          7 |         46        0.46       17.14
          8 |         44        0.44       17.58
          9 |         49        0.49       18.07
         10 |         82        0.82       18.89
         11 |         39        0.39       19.28
         12 |         41        0.41       19.69
         13 |         55        0.55       20.24
         14 |         43        0.43       20.67
         15 |        104        1.04       21.71
         16 |         37        0.37       22.08
         17 |         41        0.41       22.49
         18 |         42        0.42       22.91
         19 |         28        0.28       23.19
         20 |         66        0.66       23.85
         21 |         33        0.33       24.18
         22 |         48        0.48       24.66
         23 |         40        0.40       25.06
         24 |         27        0.27       25.33
         25 |         87        0.87       26.20
         26 |         44        0.44       26.64
         27 |         28        0.28       26.92
         28 |         34        0.34       27.26
         29 |         29        0.29       27.55
         30 |         85        0.85       28.40
         31 |         33        0.33       28.73
         32 |         36        0.36       29.09
         33 |         36        0.36       29.45
         34 |         35        0.35       29.80
         35 |         64        0.64       30.44
         36 |         44        0.44       30.88
         37 |         55        0.55       31.43
         38 |         36        0.36       31.79
         39 |         33        0.33       32.12
         40 |         78        0.78       32.90
         41 |         38        0.38       33.28
         42 |         42        0.42       33.70
         43 |         40        0.40       34.10
         44 |         35        0.35       34.45
         45 |         72        0.72       35.17
         46 |         26        0.26       35.43
         47 |         29        0.29       35.72
         48 |         33        0.33       36.05
         49 |         39        0.39       36.44
         50 |         56        0.56       37.00
         51 |         28        0.28       37.28
         52 |         34        0.34       37.62
         53 |         30        0.30       37.92
         54 |         20        0.20       38.12
         55 |         54        0.54       38.66
         56 |         26        0.26       38.92
         57 |         28        0.28       39.20
         58 |         26        0.26       39.46
         59 |         23        0.23       39.69
         99 |      6,031       60.31      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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