Summary statistics for c_1_c6_40 variable in prds_hosp10_yr2011 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- c_1_c6_40 | 1,188 1.41e+07 2.24e+07 3147 3.02e+08 by Jean Roth , jroth@nber.org , 24 Aug 2018