Summary statistics for g_c1thr4_4 variable in hosp_rollup2552_96_2010 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- g_c1thr4_4 | 3,876 3.37e+07 6.49e+07 -1.24e+08 9.53e+08 by Jean Roth , jroth@nber.org , 21 Apr 2018