Summary statistics for a8_c2_42 variable in hosp_rollup2552_96_2002 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- a8_c2_42 | 1,885 -221844.8 3320990 -1.21e+08 3.64e+07 by Jean Roth , jroth@nber.org , 10 Sep 2018