[BioC] pca plot for gene expression

[karthik [guest]]

Hi all,

        I am writing this mail for second time. I wanted perform a pca analysis ,for each  cancer type and genes of interest expression. I just wanted to plot only a single  point which is able represent each cancer and their genes expression .Can you please explain me on it.( And cancer per gene basis should i take median or mean values to represent their expression). Thanks in advance.


 -- output of sessionInfo(): 

pca()

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