Summary statistics for miper dataset : by Jean Roth , jroth@nber.org , 22 Oct 2016 Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- st_case | 503 430145.6 83.1166 430001 430288 veh_no | 503 1.003976 .7600483 0 4 per_no | 503 1.021869 .1594278 1 3 p1 | 503 5.536779 8.999233 0 33 p2 | 503 5.220676 8.953232 0 47 -------------+--------------------------------------------------------- p3 | 503 5.387674 8.999049 0 33 p4 | 503 5.409543 8.814335 0 33 p5 | 503 5.502982 9.041047 0 33 p6 | 503 5.427435 9.078575 0 34 p7 | 503 5.552684 9.278381 0 44 -------------+--------------------------------------------------------- p8 | 503 5.441352 9.022109 0 40 p9 | 503 5.506958 9.153377 0 51 p10 | 503 5.459245 8.979494 0 33 by Jean Roth , jroth@nber.org , 22 Oct 2016