Summary statistics for d4_sub2_c2_48 variable in hosp_rollup2552_96_1997 datase Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- d4_sub2~2_48 | 123 30819.02 64148.58 -312 428198 by Jean Roth , jroth@nber.org , 5 Sep 2018