Summary statistics for miper dataset : by Jean Roth , jroth@nber.org , 22 Oct 2016 Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- st_case | 50,977 276179.5 162734.1 10001 560075 veh_no | 50,977 1.340369 2.349684 0 90 per_no | 50,977 1.016007 .1878561 1 11 p1 | 50,977 4.431508 8.665219 0 94 p2 | 50,977 4.474763 8.739869 0 94 -------------+--------------------------------------------------------- p3 | 50,977 4.40685 8.673025 0 94 p4 | 50,977 4.375051 8.620921 0 94 p5 | 50,977 4.458677 8.709879 0 94 p6 | 50,977 4.415638 8.6988 0 94 p7 | 50,977 4.388018 8.675629 0 94 -------------+--------------------------------------------------------- p8 | 50,977 4.430567 8.676723 0 94 p9 | 50,977 4.403672 8.671563 0 94 p10 | 50,977 4.443416 8.71898 0 94 by Jean Roth , jroth@nber.org , 22 Oct 2016