Re: [R] Error() model is singular - what does that mean

2012-07-03 Thread zetwal
That I correct. I have only 9. Thanks for the explanation :) -- View this message in context: http://r.789695.n4.nabble.com/Error-model-is-singular-what-does-that-mean-tp4635103p4635263.html Sent from the R help mailing list archive at Nabble.com. __

Re: [R] Error() model is singular - what does that mean

2012-07-02 Thread peter dalgaard
On Jul 2, 2012, at 20:02 , zetwal wrote: > On changing the parameters; using only Error(User), I don't get any warning > on singularity. However most tutorials I saw seemed to point to using > Error(User/(whatever i specified before)) > > Are there some rules which indicated when I should use on

Re: [R] Error() model is singular - what does that mean

2012-07-02 Thread zetwal
On changing the parameters; using only Error(User), I don't get any warning on singularity. However most tutorials I saw seemed to point to using Error(User/(whatever i specified before)) Are there some rules which indicated when I should use only Error(User) and Error(User/(...)) Thanks Pascal

Re: [R] Error() model is singular - what does that mean

2012-07-02 Thread zetwal
Hi Jessica Thanks for the replies. I was getting a bit confused at the answers when I googled for it. So I thought maybe it would be better if I present my specific test case (could be i'm doing something very wrong as I am quite new to this thing) Also, there are no dashes in my real names, I on

Re: [R] Error() model is singular - what does that mean

2012-07-02 Thread Bert Gunter
<> 1. Change the names of the inputs by removing the dash: This is not a legitimate R name and c/sh ould be causing problems in the aov() call since the names are not quoted. 2. The model specification is wrong. It should be: aov(Correct~TaskKind*DataKind+Error(Subject),data=allDataRaw.xp) -- B

Re: [R] Error() model is singular - what does that mean

2012-07-02 Thread Jessica Streicher
Also, try googling for - R model is singular - , there seem to have been a lot of people with that particular error. On 02.07.2012, at 14:56, Jessica Streicher wrote: > Just looking at it i would try renaming Task-Kind, Data-Kind an Time-Taken > Those are ambiguous in the Formula. > > "Task-Ki

Re: [R] Error() model is singular - what does that mean

2012-07-02 Thread Jessica Streicher
Just looking at it i would try renaming Task-Kind, Data-Kind an Time-Taken Those are ambiguous in the Formula. "Task-Kind" vs "Task" - "Kind" Though that might not be the error at hand :) On 02.07.2012, at 14:15, zetwal wrote: > Hello > > I have some test data that looks like that from a with

[R] Error() model is singular - what does that mean

2012-07-02 Thread zetwal
Hello I have some test data that looks like that from a within subject experiment. Subject Task-KindData-Kind Time-Taken Correct 1A Data1 5 1 1A Data1 3 0 1A Data1 1 1 1A Data2 8 1 1A Data2 7 0 1A Data2