Summary statistics for g_c1thr4_7 variable in hosp_rollup2552_96_2007 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- g_c1thr4_7 | 5,328 2003773 3172998 -3960905 3.59e+07 by Jean Roth , jroth@nber.org , 21 Apr 2018