Summary statistics for miper dataset : by Jean Roth , jroth@nber.org , 18 Apr 2016 Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- veh_no | 61,978 1.425603 2.806365 0 92 per_no | 61,978 1.012214 .1748943 1 13 st_case | 61,978 270914.8 162169.9 10001 560137 p1 | 61,978 4.404644 8.532883 0 90 p2 | 61,978 4.396738 8.537908 0 90 -------------+--------------------------------------------------------- p3 | 61,978 4.437768 8.5314 0 90 p4 | 61,978 4.42841 8.542787 0 90 p5 | 61,978 4.377118 8.498565 0 90 p6 | 61,978 4.440689 8.547917 0 90 p7 | 61,978 4.435897 8.557008 0 90 -------------+--------------------------------------------------------- p8 | 61,978 4.414018 8.519084 0 90 p9 | 61,978 4.429104 8.549482 0 90 p10 | 61,978 4.428684 8.537787 0 90 by Jean Roth , jroth@nber.org , 18 Apr 2016