Summary statistics for g_c1thr4_7 variable in hosp_rollup2552_96_1999 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- g_c1thr4_7 | 5,298 1110320 1640440 -796913 1.56e+07 by Jean Roth , jroth@nber.org , 7 Sep 2018