[R] plot=FALSE in heatmap.2

[Jinyan]

Dear expert,

I want to get the calucation from heatmap.2. But I do not want to do the plot. Is there any trick do this, e.g, plot=FALSE in heatmap.2?

hm <- heatmap.2(dat.mat,
                    col=greenred(75),
                    dendrogram="none",
                    scale="row",
                    key=FALSE,
                    Rowv=FALSE,
                    Colv=FALSE,
                    symkey=FALSE,
                    density.info="none",
                    trace="none", cexRow=0.5)
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