Summary statistics for c_1_c7_42 variable in hosp_rollup2552_96_2002 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- c_1_c7_42 | 1,048 9680763 2.21e+07 1 3.64e+08 by Jean Roth , jroth@nber.org , 10 Sep 2018