Summary statistics for g_c1thr4_2 variable in hosp_rollup2552_96_2004 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- g_c1thr4_2 | 1,619 1.28e+07 3.50e+07 -1.12e+07 4.31e+08 by Jean Roth , jroth@nber.org , 21 Apr 2018