Summary statistics for a_c1_5 variable in hosp_rollup2552_96_2002 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- a_c1_5 | 3,913 534855.9 987527.5 -628010 2.09e+07 by Jean Roth , jroth@nber.org , 10 Sep 2018