Summary statistics for c_1_c6_28 variable in hosp_rollup2552_96_2009 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- c_1_c6_28 | 105 1.65e+07 1.83e+07 1374 1.05e+08 by Jean Roth , jroth@nber.org , 21 Apr 2018