Summary statistics for c_1_c7_47 variable in hosp_rollup2552_96_1999 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- c_1_c7_47 | 1,457 411368.2 1186509 48 2.03e+07 by Jean Roth , jroth@nber.org , 7 Sep 2018