[R] DOE in R

Petr Pikal petr.pikal at precheza.cz
Mon Jul 31 10:21:15 CEST 2006



something like

but the exact structure of lm or aov construction depends on what you 
want to test.


On 28 Jul 2006 at 21:43, dvrecko at sfu.ca wrote:

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Subject:        	[R] DOE in R
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> Hi.
> I'm a student in a graduate program at Simon Fraser University in
> Canada.
> I am trying to run a simple screening experiment with some simulated
> data.
> I simply want to do an ANOVA of an experiemnt with 5 factors (4 have 2
> levels, the last has 3 levels) and 48 runs (ie, full factorial).
> The thing is that I have multiple observations for each level
> combination (run).
> So,
> 1) How do I do the anova based on the setup above?
> and 
> 2) More importantly, because of convergence issues for my simulations,
> I will likely have an unequal number of observations for the 48 runs.
> How can I do this?
> Seems like a straightforward enough situation.
> I am trying to avaoid writing my own C code to do the analysis since I
> am working under some pretty tight time constraints.
> ANy help would be appreciated.
> Thanks very much.
> Dean Vrecko
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Petr Pikal
petr.pikal at precheza.cz

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