条件logit回归中因变量数据明明包含了0和1,却一直运行错误:
ERROR: Dependent variable must contain one non-zero value for each decision maker.
NOTE: The SAS System stopped processing this step because of errors.
程序:
proc mdc data=CE_DATA_L2;
model choice=bank2 bank3 minimum2 minimum3 minimum4 term2 term3 term4 type2 type3 NONE/
type=CLOGIT
nchoice=3;
id set;
run;
请大神们帮忙看看问题出在哪?
而且,导入数据是一直只导入一行,每次运行都是重新处理数据接着进行条件logit回归。