Summary statistics for a_c6_96 variable in hosp_rollup2552_96_1999 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- a_c6_96 | 295 -718591.4 1.07e+07 -1.70e+08 1.86e+07 by Jean Roth , jroth@nber.org , 7 Sep 2018