Summary statistics for b_3_c27_60 variable in hosp_rollup2552_96_2009 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- b_3_c27_60 | 3,001 806432.8 2532965 -234 4.53e+07 by Jean Roth , jroth@nber.org , 21 Apr 2018