[R] Nested model - "singularities not defined"
gunter.berton at gene.com
Sat Dec 24 19:30:58 CET 2011
... and John Nash's comment (regarding another issue) may also be appropriate:
"... As with many tools in this domain, for effective use they
require more knowledge than many of their users possess, and can be
dangerous because they
seem to "work". "
On Sat, Dec 24, 2011 at 9:44 AM, David Winsemius <dwinsemius at comcast.net> wrote:
> On Dec 24, 2011, at 12:07 PM, Kristen Mancuso wrote:
>> I am using a nested model in R and the lm output shows 47 not defined
>> because of singularities and I have no idea why. Any help on why this is
>> happening or how to fix this problem would be very much appreciated.
>> is the output I received from R.
>> not defined because of singularities
> This question should be a FAQ if it's not already:
> David Winsemius, MD
> West Hartford, CT
> R-help at r-project.org mailing list
> PLEASE do read the posting guide http://www.R-project.org/posting-guide.html
> and provide commented, minimal, self-contained, reproducible code.
Genentech Nonclinical Biostatistics
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