Summary statistics for c_1_c7_42 variable in hosp_rollup2552_96_2005 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- c_1_c7_42 | 1,042 1.38e+07 2.13e+07 1 2.35e+08 by Jean Roth , jroth@nber.org , 21 Apr 2018