Summary statistics for a_c6_50 variable in hosp_rollup2552_96_2006 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- a_c6_50 | 2,624 -15007.48 697548.4 -7015435 1.44e+07 by Jean Roth , jroth@nber.org , 21 Apr 2018