Summary statistics for a8_c2_41 variable in hosp_rollup2552_96_2001 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- a8_c2_41 | 1,229 -70205.05 2162077 -4.26e+07 4.37e+07 by Jean Roth , jroth@nber.org , 9 Sep 2018