Summary statistics for d4_sub2_c3_42 variable in hosp_rollup2552_96_2006 datase Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- d4_sub2~3_42 | 168 13185.49 92374.64 4 1198316 by Jean Roth , jroth@nber.org , 21 Apr 2018