Summary statistics for a_c6_17 variable in hosp_rollup2552_96_2010 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- a_c6_17 | 3,394 37399.45 542886.9 -2752759 1.07e+07 by Jean Roth , jroth@nber.org , 21 Apr 2018