Summary statistics for c_1_c6_42 variable in hosp_rollup2552_96_2007 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- c_1_c6_42 | 1,099 1894504 5357350 1 8.03e+07 by Jean Roth , jroth@nber.org , 21 Apr 2018