Summary statistics for g_c1thr4_7 variable in hosp_rollup2552_96_2009 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- g_c1thr4_7 | 5,459 2265504 3675883 -4.23e+07 4.82e+07 by Jean Roth , jroth@nber.org , 21 Apr 2018