eBalance - Variable表示你购买暴雪战网物品的时候先充值了战网点数，然后可能你又用战网点数去买东西，如果直接用支付宝或其他支付方式则不会出现这个订单。
Data Setup Treatment variable: treated Covariate adjustment: urb fin cs pub pop (1st order). urb fin cs pub pop (2nd order). urb fin cs > pub pop (3rd order). Optimizing... Iteration 1: Max Difference = 4329.48316 Iteration 2: Max Difference = 1592.85417 Iteration 3: Max Difference = ...
Data Setup Treatment variable: treat Covariate adjustment: age educ black ageXblack (1st order). age educ (2nd order). age (3rd order). Optimizing... Iteration 1: Max Difference = 573647.601 Iteration 2: Max Difference = 211032.079 Iteration 3: Max Difference = 77633.2843 ... Iteration 15: ...
Data Setup Treatment variable: treat Covariate adjustment: age educ black ageXblack (1st order). age educ (2nd order). age (3rd order). Optimizing... Iteration 1: Max Difference = 573647.601 Iteration 2: Max Difference = 211032.079 Iteration 3: Max Difference = 77633.2843 ... Iteration 15: ...
variable name type format variable label --- re78 double %9.0g real earnings 78 treat long %9.0g 1 if treated, 0 control age long %9.0g age in years educ long %9.0g years of schooling black long %9.0g indicator for black hispan long ...