Summary statistics for d4_sub1_c3_56 variable in hosp_rollup2552_96_2009 datase Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- d4_sub1~3_56 | 1,677 159085.4 158261.6 8 1064053 by Jean Roth , jroth@nber.org , 21 Apr 2018