Summary statistics for d4_sub1_c3_40 variable in hosp_rollup2552_96_2009 datase Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- d4_sub1~3_40 | 740 13705.4 75954.44 1 1271489 by Jean Roth , jroth@nber.org , 21 Apr 2018