Summary statistics for a_c2_54 variable in hosp_rollup2552_96_2001 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- a_c2_54 | 1,934 127219.4 533703.6 -13935 1.49e+07 by Jean Roth , jroth@nber.org , 9 Sep 2018