一旦进行 我的logit回归就会有下面这些代码 回归没结果
NOMREG barrier (BASE=LAST ORDER=ASCENDING) BY govsum soe sosp WITH year top1 leverage size HI Tech_in
/CRITERIA CIN(95) DELTA(0) MXITER(100) MXSTEP(5) CHKSEP(20) LCONVERGE(0) PCONVERGE(0.000001) SINGULAR(0.00000001)
/MODEL
/STEPWISE=PIN(.05) POUT(0.1) MINEFFECT(0) RULE(SINGLE) ENTRYMETHOD(LR) REMOVALMETHOD(LR)
/INTERCEPT=INCLUDE
/PRINT=PARAMETER SUMMARY LRT CPS STEP MFI.
求问为什么