Summary statistics for c_1_c7_90 variable in prds_hosp10_yr2010 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- c_1_c7_90 | 1,108 1.48e+07 4.39e+07 80 9.69e+08 by Jean Roth , jroth@nber.org , 24 Aug 2018