Summary statistics for a_c1_53 variable in hosp_rollup2552_96_1998 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- a_c1_53 | 3,823 476116.4 975502.3 -6643 2.03e+07 by Jean Roth , jroth@nber.org , 6 Sep 2018