Summary statistics for a_c6_37 variable in hosp_rollup2552_96_1998 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- a_c6_37 | 1,996 -169999.3 948062.1 -2.05e+07 2.22e+07 by Jean Roth , jroth@nber.org , 6 Sep 2018