Summary statistics for miper dataset : by Jean Roth , jroth@nber.org , 18 Apr 2016 Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- st_case | 63,384 275991 160852.5 10001 560132 veh_no | 63,384 1.312382 .9326164 0 32 per_no | 63,384 1.014026 .1864969 1 11 year | 63,384 2000 0 2000 2000 p1 | 63,384 4.33895 8.447992 0 94 -------------+--------------------------------------------------------- p2 | 63,384 4.370866 8.520305 0 94 p3 | 63,384 4.359902 8.487739 0 94 p4 | 63,384 4.376988 8.508535 0 94 p5 | 63,384 4.361826 8.47737 0 94 p6 | 63,384 4.337704 8.469423 0 94 -------------+--------------------------------------------------------- p7 | 63,384 4.314022 8.427371 0 94 p8 | 63,384 4.302363 8.413491 0 94 p9 | 63,384 4.292014 8.413715 0 94 p10 | 63,384 4.344835 8.454619 0 94 by Jean Roth , jroth@nber.org , 18 Apr 2016