Summary statistics for a_c6_2 variable in hosp_rollup2552_96_1996 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- a_c6_2 | 3,035 -76712.96 709227.9 -1.17e+07 9440148 by Jean Roth , jroth@nber.org , 3 Sep 2018