各位大侠:
本人初学者,请教在JMulTi中选择平滑转移函数形式是,用F检验时,出现:
p-values of F-tests (NaN - matrix inversion problem):
transition variable F F4 F3 F2 suggested model
einf(t-3) NaN NaN NaN 4.0260e-02 Linear
对于matrix inversion problem应该这么调整!?谢谢啦