Summary statistics for g_c1thr4_6 variable in hosp_rollup2552_96_1997 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- g_c1thr4_6 | 4,773 -2119775 4.76e+08 -3.29e+10 5.50e+08 by Jean Roth , jroth@nber.org , 5 Sep 2018