Summary statistics for miper dataset : by Jean Roth , jroth@nber.org , 22 Oct 2016 Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- st_case | 51,893 278186.3 162287.3 10001 560113 veh_no | 51,893 1.257125 .9460122 0 31 per_no | 51,893 1.016033 .1800728 1 9 p1 | 51,893 4.47465 8.746188 0 94 p2 | 51,893 4.433026 8.708573 0 94 -------------+--------------------------------------------------------- p3 | 51,893 4.470873 8.74987 0 94 p4 | 51,893 4.45669 8.726079 0 94 p5 | 51,893 4.446823 8.71112 0 94 p6 | 51,893 4.453067 8.714759 0 94 p7 | 51,893 4.50951 8.782407 0 94 -------------+--------------------------------------------------------- p8 | 51,893 4.47307 8.742511 0 94 p9 | 51,893 4.444106 8.715535 0 94 p10 | 51,893 4.493438 8.738397 0 94 by Jean Roth , jroth@nber.org , 22 Oct 2016