Summary statistics for c_1_c7_57 variable in prds_hosp10_yr2012 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- c_1_c7_57 | 2,329 2.81e+07 3.08e+07 564 4.06e+08 by Jean Roth , jroth@nber.org , 24 Aug 2018