Summary statistics for g_c1thr4_4 variable in hosp_rollup2552_96_1998 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- g_c1thr4_4 | 5,905 1.78e+07 3.56e+07 -5.75e+07 1.12e+09 by Jean Roth , jroth@nber.org , 6 Sep 2018