Summary statistics for d4_sub2_c2_49 variable in hosp_rollup2552_96_2011 datase Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- d4_sub2_c2~9 | 3 57782.67 55359.9 2915 113622 by Jean Roth , jroth@nber.org , 21 Apr 2018