Summary statistics for c_1_c7_71 variable in prds_hosp10_yr2011 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- c_1_c7_71 | 4,883 6868337 1.20e+07 2 1.38e+08 by Jean Roth , jroth@nber.org , 24 Aug 2018