Re: [R] Converting PROC NLMIXED code to NLME

From: Bernardo Rangel Tura <>
Date: Sat 08 Oct 2005 - 18:57:52 EST

At 20:40 7/10/2005, Singh, Jatinder wrote:


Try change "na.action=na.include" for "na.action=na.omit"

The singularity occurs because the fixed effects matrix is not of full rank due to the unused factor levels.

Bernardo Rangel Tura, MD, MSc
National Institute of Cardiology Laranjeiras Rio de Janeiro Brazil


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Received on Sat Oct 08 19:05:51 2005

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