Summary statistics for a_c6_96 variable in hosp_rollup2552_96_1997 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- a_c6_96 | 290 -465803.7 7328326 -1.07e+08 1.18e+07 by Jean Roth , jroth@nber.org , 5 Sep 2018