Summary statistics for g_c1thr4_2 variable in hosp_rollup2552_96_2009 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- g_c1thr4_2 | 1,654 1.84e+07 5.48e+07 -4.20e+07 1.02e+09 by Jean Roth , jroth@nber.org , 21 Apr 2018