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Hi All,
I am the new user. So i really sorry that i need the helps from you all.
I am facing 2 kind of problems now.
1. I put variable A and the window keep appear IGLS/RIGLS numeric warning. What should i do to avoid this warning?
2. My model run non stop. Any one know what is the reason that my model run non stop? Besides, what i can do to get the result?
Thank you very much!!

1) It is possible to disable the warning by clicking "Estimation control.." and then ticking "suppress numeric warnings". This only removes the messages however so your model will not converge any better than if you told it to continue estimating every time you get the message.

2) If the model runs non-stop it might indicate that that either it isn't specified correctly or that there is something wrong with the data. A common problem is that the data isn't sorted correctly (see http://www.bristol.ac.uk/cmm/software/s ... html#order). To check this open the hierarchy view (Model->Hierarchy View) and check that the number of units reported at each level matches what you expect.

For further information on sources of error when running R(IGLS) models see http://www.bristol.ac.uk/cmm/software/s ... rrors.html.