Summary statistics for g_c1thr4_5 variable in hosp_rollup2552_96_2006 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- g_c1thr4_5 | 3,903 4385872 3.76e+07 -3.61e+08 1.42e+09 by Jean Roth , jroth@nber.org , 21 Apr 2018