Summary statistics for b_3_c27_39 variable in hosp_rollup2552_96_2009 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- b_3_c27_39 | 3,139 384753.7 618522.5 1 1.27e+07 by Jean Roth , jroth@nber.org , 21 Apr 2018