Summary statistics for a_c6_71 variable in hosp_rollup2552_96_2008 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- a_c6_71 | 794 -53108.36 902715.5 -1.05e+07 8098497 by Jean Roth , jroth@nber.org , 21 Apr 2018