Dear All:
I am trying to use the gstslshet function to generate the estimate the sarar
model. However, there is an error occur as following:
Error in solve.default(crossprod(reg)) :
system is computationally singular: reciprocal condition number =
4.38039e-25
Is there anyone ever met the same problem?
The data is OK when I use it for the GM/IV test, but fail in the ARAR test.
Any help is deeply appreciated.
Thanks
Joshua
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