Summary statistics for c_1_c7_57 variable in prds_hosp10_yr2010 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- c_1_c7_57 | 779 2.79e+07 2.94e+07 201 2.25e+08 by Jean Roth , jroth@nber.org , 24 Aug 2018