Summary statistics for a_c1_5 variable in hosp_rollup2552_96_2008 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- a_c1_5 | 4,306 765973.6 1651025 -1048749 3.52e+07 by Jean Roth , jroth@nber.org , 21 Apr 2018