Summary statistics for c_1_c6_42 variable in hosp_rollup2552_96_2005 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- c_1_c6_42 | 1,062 1504734 5922495 1 1.37e+08 by Jean Roth , jroth@nber.org , 21 Apr 2018