Summary statistics for a8_c2_41 variable in hosp_rollup2552_96_1997 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- a8_c2_41 | 202 -88339.89 4393313 -2.68e+07 5.18e+07 by Jean Roth , jroth@nber.org , 5 Sep 2018