Summary statistics for a_c6_37 variable in hosp_rollup2552_96_1996 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- a_c6_37 | 1,698 -143179.7 742752.5 -8086728 1.48e+07 by Jean Roth , jroth@nber.org , 3 Sep 2018