Summary statistics for a_c2_39 variable in hosp_rollup2552_96_2001 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- a_c2_39 | 2,735 332420.2 593661.9 -950809 1.25e+07 by Jean Roth , jroth@nber.org , 9 Sep 2018