Summary statistics for a8_c2_6 variable in hosp_rollup2552_96_2007 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- a8_c2_6 | 1,670 -76015.87 408761.6 -1.18e+07 166115 by Jean Roth , jroth@nber.org , 21 Apr 2018