Summary statistics for c_1_c6_42 variable in hosp_rollup2552_96_2004 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- c_1_c6_42 | 1,051 1335298 4577533 1 8.94e+07 by Jean Roth , jroth@nber.org , 21 Apr 2018