Summary statistics for d4_sub1_c2_41 variable in hosp_rollup2552_96_2007 datase Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- d4_sub1~2_41 | 1,742 261299.6 645111 2 1.36e+07 by Jean Roth , jroth@nber.org , 21 Apr 2018