Summary statistics for c_1_c6_31 variable in prds_hosp10_yr2011 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- c_1_c6_31 | 3,242 1.87e+07 3.40e+07 885 4.61e+08 by Jean Roth , jroth@nber.org , 24 Aug 2018