Summary statistics for miper dataset : by Jean Roth , jroth@nber.org , 18 Apr 2016 Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- st_case | 61,543 269772.6 160175.1 10001 560135 veh_no | 61,543 1.252311 .7790824 0 14 per_no | 61,543 1.01711 .2438341 1 19 year | 61,543 1994 0 1994 1994 p1 | 61,543 4.664803 8.866239 0 94 -------------+--------------------------------------------------------- p2 | 61,543 4.649075 8.856626 0 94 p3 | 61,543 4.700762 8.907788 0 94 p4 | 61,543 4.629576 8.834131 0 94 p5 | 61,543 4.678014 8.867107 0 94 p6 | 61,543 4.628552 8.806462 0 94 -------------+--------------------------------------------------------- p7 | 61,543 4.699267 8.885803 0 94 p8 | 61,543 4.638058 8.806994 0 94 p9 | 61,543 4.630535 8.8097 0 94 p10 | 61,543 4.688949 8.87615 0 94 by Jean Roth , jroth@nber.org , 18 Apr 2016