Summary statistics for a8_c2_37 variable in hosp_rollup2552_96_2006 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- a8_c2_37 | 5,740 -1059767 1.09e+07 -4.24e+08 3.45e+08 by Jean Roth , jroth@nber.org , 21 Apr 2018