Summary statistics for g_c1thr4_2 variable in hosp_rollup2552_96_2002 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- g_c1thr4_2 | 1,639 1.03e+07 3.41e+07 -3.41e+07 8.11e+08 by Jean Roth , jroth@nber.org , 10 Sep 2018