Summary statistics for midrvacc dataset : by Jean Roth , jroth@nber.org , 18 Apr 2016 Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- st_case | 429 430216.6 124.4876 430001 430431 a1 | 429 5.62704 8.455812 0 40 a2 | 429 5.682984 8.819965 0 49 a3 | 429 5.652681 8.570931 0 40 a4 | 429 5.473193 8.381798 0 40 -------------+--------------------------------------------------------- a5 | 429 5.773893 8.517857 0 40 a6 | 429 5.5338 8.512327 0 40 a7 | 429 5.783217 8.898551 0 49 a8 | 429 5.757576 8.733701 0 40 a9 | 429 5.484848 8.36313 0 40 -------------+--------------------------------------------------------- a10 | 429 5.512821 8.607916 0 40 by Jean Roth , jroth@nber.org , 18 Apr 2016