Dear Bioconductors,

I'm analyzing a microarray data set with three factors; cancer (yes or no,
the interesting one), age and % tumour cells in sample.

I'm interested to know how much each factor/coefficent is able to describe
the overall variation in the data set.

My googlefu turns up little of interest, could someone suggest a suitable
package or some key words that could take me further?

Cheers,
Rob

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