Summary statistics for g_c1thr4_29 variable in hosp_rollup2552_96_2011 dataset Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- g_c1thr4_29 | 23 3839230 6992725 -263378 3.03e+07 by Jean Roth , jroth@nber.org , 21 Apr 2018