I have a huge dataset(15k X 18) and tried to use the heatmap in R to examine the patterns. However, I found that heatmap and heatmap.2 gave me completely different outputs.
Here are the codes: ------------ > dim(as.matrix(data.dcpm)) [1] 15462 18 > > heatmap(as.matrix(data.dcpm), col=topo.colors(100)) > heatmap.2(as.matrix(data.dcpm), col=topo.colors(100), key=TRUE, > density.inf="none",trace="none", scale="none") ------- The outputs are attached here. Could anyone help me figure out why? Thanks a lot:)
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