Summary statistics for a8_c2_5 variable in hosp_rollup2552_96_1997 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- a8_c2_5 | 1,370 -151325.7 773582.4 -1.32e+07 621319 by Jean Roth , jroth@nber.org , 5 Sep 2018