Summary statistics for c_1_c7_47 variable in hosp_rollup2552_96_2000 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- c_1_c7_47 | 1,442 472555.3 1394668 4 2.44e+07 by Jean Roth , jroth@nber.org , 8 Sep 2018