Summary statistics for d4_sub2_c3_68 variable in hosp_rollup2552_96_2004 datase Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- d4_sub2~3_68 | 3 8680.333 8733.055 2275 18628 by Jean Roth , jroth@nber.org , 21 Apr 2018