Summary statistics for d4_sub1_c2_41 variable in hosp_rollup2552_96_2001 datase Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- d4_sub1~2_41 | 1,800 112200.6 180559.4 3 3090224 by Jean Roth , jroth@nber.org , 9 Sep 2018