[18707] in s-news-athena
[S] Help on changing iteration limit for lme function
daemon@ATHENA.MIT.EDU (sjcav@aros.net)
Thu Jul 22 12:40:54 1999
Message-Id: <3.0.1.32.19990722100525.006e241c@mail.aros.net>
Date: Thu, 22 Jul 1999 10:05:25 -0600
To: s-news@wubios.wustl.edu
From: sjcav@aros.net
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Dear SList:
I want to re-explain my question sent yesterday a little better:
I have a lme regression:
lme(fixed = Dif ~ DifLag1+DifLag2, cluster = ~Contract,
data = CCDeliveryPeriod)
I get the warining message when I run the above regression:
Warning messages:
ITERATION LIMIT REACHED WITHOUT OTHER CONVERGENCE in: ms( ~ lme.loglik.i
dentity(theta, a, q, p, M), start = list(theta = a$ ...
The summary of results show:
Convergence at iteration: 50
I want to increase the iteration limitation, then I use control to increase
the default from 50 to 100,
lme(fixed = Dif ~ DifLag1+DifLag2, cluster = ~Contract,
data = CCDeliveryPeriod, control =
list(maxiter=100,max.maxiter=100,ms.maxiter = 100,
verbose = T))
This time, I got the warning message again, but strange thing is that the
summary still say "Convergence at iteration: 50" instead Of ""Convergence
at iteration: 100." And the regression results are exactly the same.
Did I understand what the control does correctly? If not, how can I change
the iteration limit for lme? Thanks for your help in advance.
---Sharon Cavenaugh
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