Summary statistics for a_c6_100 variable in hosp_rollup2552_96_1997 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- a_c6_100 | 1,098 -513788.7 1.70e+07 -4.95e+08 7.77e+07 by Jean Roth , jroth@nber.org , 5 Sep 2018