Summary statistics for a_c6_59 variable in hosp_rollup2552_96_2001 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- a_c6_59 | 1,141 -337165.3 1643993 -2.96e+07 5025156 by Jean Roth , jroth@nber.org , 9 Sep 2018