Summary statistics for a8_c2_1 variable in hosp_rollup2552_96_2007 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- a8_c2_1 | 181 -706303.5 1519821 -1.02e+07 849001 by Jean Roth , jroth@nber.org , 21 Apr 2018