Summary statistics for g_c1thr4_7 variable in hosp_rollup2552_96_1997 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- g_c1thr4_7 | 5,607 1.88e+07 1.34e+09 -8.78e+07 1.00e+11 by Jean Roth , jroth@nber.org , 5 Sep 2018