Re: [R] aov and Error function

2015-02-02 Thread peter dalgaard
On 02 Feb 2015, at 13:09 , S Ellison wrote: > >>> aovsubj <- aov(value~group+time+Error(subject),data=dataRMANOVA) >>> and >>> aovsubjgroup <- aov(value~group+time+Error(subject/group),data=dataRMANOVA) >>> >> Since no-one else seems to have answered you let me point out that your first >> for

Re: [R] aov and Error function

2015-02-02 Thread S Ellison
> > aovsubj <- aov(value~group+time+Error(subject),data=dataRMANOVA) > > and > > aovsubjgroup <- aov(value~group+time+Error(subject/group),data=dataRMANOVA) > > > Since no-one else seems to have answered you let me point out that your first > formulation treats subject 1 in the "int" group as bein

Re: [R] aov and Error function

2015-02-01 Thread Rolf Turner
On 01/02/15 02:17, John Sorkin wrote: I am trying to understand the Error function and its use in ANOVA. In particular I want to understand the difference between two models that differ only with respect to the Error statement: aovsubj <- aov(value~group+time+Error(subject),data=dataRMANOVA) an

Re: [R] AOV and Error

2008-08-15 Thread Peter Dalgaard
Prof Brian Ripley wrote: See the reference on ?aov, and MASS (the book, see the FAQ). I think you need to understand the underlying theory first, and that is no longer (even for my time) part of a statistical education. I learnt it from Bill Venables who has educated in the 1960s -- so his a

Re: [R] AOV and Error

2008-08-12 Thread Prof Brian Ripley
See the reference on ?aov, and MASS (the book, see the FAQ). I think you need to understand the underlying theory first, and that is no longer (even for my time) part of a statistical education. I learnt it from Bill Venables who has educated in the 1960s -- so his account in MASS comes with