Summary statistics for c_1_c7_38 variable in hosp_rollup2552_96_1996 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- c_1_c7_38 | 1,991 940681.1 1223114 1 1.51e+07 by Jean Roth , jroth@nber.org , 3 Sep 2018