Summary statistics for c_1_c7_55 variable in hosp_rollup2552_96_2007 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- c_1_c7_55 | 5,112 6718205 1.24e+07 3 1.69e+08 by Jean Roth , jroth@nber.org , 21 Apr 2018