Summary statistics for a8_c2_37 variable in hosp_rollup2552_96_2008 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- a8_c2_37 | 5,831 -1312824 1.23e+07 -4.98e+08 3.89e+08 by Jean Roth , jroth@nber.org , 21 Apr 2018