Summary statistics for d4_sub1_c3_55 variable in hosp_rollup2552_96_2009 datase Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- d4_sub1_c3~5 | 1,589 36636.94 80452.76 1 1054564 by Jean Roth , jroth@nber.org , 21 Apr 2018