Summary statistics for a8_c2_37 variable in hosp_rollup2552_96_2001 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- a8_c2_37 | 1,812 -2124255 1.02e+07 -1.14e+08 2.19e+08 by Jean Roth , jroth@nber.org , 9 Sep 2018