Summary statistics for a_c6_6 variable in hosp_rollup2552_96_2003 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- a_c6_6 | 6,089 -2705115 1.18e+07 -2.47e+08 8.98e+07 by Jean Roth , jroth@nber.org , 12 Sep 2018