Summary statistics for a_c6_59 variable in hosp_rollup2552_96_1997 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- a_c6_59 | 1,333 -247929.7 1190345 -2.39e+07 1778708 by Jean Roth , jroth@nber.org , 5 Sep 2018