Summary statistics for a_c1_49 variable in hosp_rollup2552_96_1998 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- a_c1_49 | 5,039 625967.8 866737.5 -8439 1.45e+07 by Jean Roth , jroth@nber.org , 6 Sep 2018