Summary statistics for d4_sub1_c2_40 variable in hosp_rollup2552_96_2010 datase Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- d4_sub1~2_40 | 444 28127.9 85024.88 1 1019367 by Jean Roth , jroth@nber.org , 21 Apr 2018