Summary statistics for a_c6_44 variable in hosp_rollup2552_96_2007 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- a_c6_44 | 3,707 -840278.2 1.05e+07 -3.49e+08 1.19e+08 by Jean Roth , jroth@nber.org , 21 Apr 2018