Summary statistics for g_c1thr4_2 variable in hosp_rollup2552_96_2011 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- g_c1thr4_2 | 4 1.69e+08 3.15e+08 -26144 6.41e+08 by Jean Roth , jroth@nber.org , 21 Apr 2018