Summary statistics for a8_c2_31 variable in hosp_rollup2552_96_2006 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- a8_c2_31 | 985 243420.4 2307697 -1.88e+07 2.76e+07 by Jean Roth , jroth@nber.org , 21 Apr 2018