Summary statistics for a_c1_98 variable in hosp_rollup2552_96_2005 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- a_c1_98 | 1,638 2268266 1.32e+07 -9310 4.20e+08 by Jean Roth , jroth@nber.org , 21 Apr 2018