Summary statistics for c_1_c7_42 variable in hosp_rollup2552_96_2004 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- c_1_c7_42 | 1,035 1.17e+07 1.74e+07 1 1.56e+08 by Jean Roth , jroth@nber.org , 21 Apr 2018