Summary statistics for a_c6_98 variable in hosp_rollup2552_96_1996 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- a_c6_98 | 658 -100432.2 3779547 -3.18e+07 5.78e+07 by Jean Roth , jroth@nber.org , 3 Sep 2018