Summary statistics for a8_c2_44 variable in hosp_rollup2552_96_2001 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- a8_c2_44 | 1,084 -139835 1194780 -1.59e+07 2.17e+07 by Jean Roth , jroth@nber.org , 9 Sep 2018