Summary statistics for a8_c2_39 variable in hosp_rollup2552_96_1996 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- a8_c2_39 | 155 -270105.8 5838331 -2.70e+07 5.14e+07 by Jean Roth , jroth@nber.org , 3 Sep 2018