Summary statistics for d4_sub2_c2_41 variable in hosp_rollup2552_96_2006 datase Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- d4_sub2~2_41 | 615 256997.7 834503.2 163 1.73e+07 by Jean Roth , jroth@nber.org , 21 Apr 2018