Summary statistics for a8_c2_6 variable in hosp_rollup2552_96_2009 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- a8_c2_6 | 1,568 -67400.02 294433.4 -9288862 284518 by Jean Roth , jroth@nber.org , 21 Apr 2018