Summary statistics for g_c1thr4_4 variable in hosp_rollup2552_96_2006 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- g_c1thr4_4 | 5,892 2.81e+07 5.42e+07 -2.43e+07 9.54e+08 by Jean Roth , jroth@nber.org , 21 Apr 2018