Summary statistics for miper dataset : by Jean Roth , jroth@nber.org , 18 Apr 2016 Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- veh_no | 50,638 1.282357 1.033675 0 30 per_no | 50,638 1.013014 .1886664 1 27 st_case | 50,638 274501.8 161152.7 10001 560116 p1 | 50,638 4.573127 8.644503 0 85 p2 | 50,638 4.496524 8.601537 0 79 -------------+--------------------------------------------------------- p3 | 50,638 4.542419 8.599848 0 79 p4 | 50,638 4.503021 8.575374 0 79 p5 | 50,638 4.540404 8.611486 0 79 p6 | 50,638 4.527726 8.61995 0 79 p7 | 50,638 4.482464 8.583974 0 82 -------------+--------------------------------------------------------- p8 | 50,638 4.507702 8.602186 0 79 p9 | 50,638 4.508847 8.607599 0 79 p10 | 50,638 4.518346 8.580958 0 79 by Jean Roth , jroth@nber.org , 18 Apr 2016