Summary statistics for c_1_c7_51 variable in hosp_rollup2552_96_1997 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- c_1_c7_51 | 2,115 309276.9 807143.5 1 2.85e+07 by Jean Roth , jroth@nber.org , 5 Sep 2018