[BioC] Design Matrix Question

[Gordon K Smyth]

limma:  designMatrix()

Gordon

>
> Hi
>
> I'd like to construct a design matrix similar to the following but have
> no idea how to do it
>
> I'm trying the model.matrix function
>
> Slide	Treatment1	Treatment2	Treatment3
> 1	-1		0		0
> 2	1		0		0
> 3	-1		0		0
> 4	1		0		0
> 5	1		0		0
> 6	-1		0		0
> 7	0		-1		0
> 8	0		1		0
> 9	0		-1		0
> 10	0		1		0
> 11	0		1		0
> 12	0		-1		0
> 13	0		0		-1
> 14	0		0		1
> 15	0		0		-1
> 16	0		0		1
> 17	0		0		1
> 18	0		0		-1
>
> -1 represents Cy5/cy3
> 1 represents Cy3/Cy5
>
>
> Cheers
>
> Jason
>
> --
> --------------------------------
> Jason Skelton
> Pathogen Microarrays
> Wellcome Trust Sanger Institute
> Hinxton
> Cambridge
> CB10 1SA
>
> Tel +44(0)1223 834244 Ext 7123
> Fax +44(0)1223 494919
>
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