Summary statistics for a_c2_50 variable in hosp_rollup2552_96_2001 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- a_c2_50 | 5,512 243099.8 454814.2 -786335 1.15e+07 by Jean Roth , jroth@nber.org , 9 Sep 2018