Summary statistics for a8_c2_37 variable in hosp_rollup2552_96_1996 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- a8_c2_37 | 288 -2917058 9979594 -8.63e+07 2.95e+07 by Jean Roth , jroth@nber.org , 3 Sep 2018