Summary statistics for a7_3_c11_4 variable in hosp_rollup2552_96_2002 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- a7_3_c11_4 | 520 132674.5 566524.6 -2267894 7804211 by Jean Roth , jroth@nber.org , 10 Sep 2018