Summary statistics for a8_c2_19 variable in hosp_rollup2552_96_2005 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- a8_c2_19 | 1,544 -191795.2 924257.4 -1.86e+07 137005 by Jean Roth , jroth@nber.org , 21 Apr 2018