Nothing
library(gplots)
data(mtcars)
x <- as.matrix(mtcars)
rc <- rainbow(nrow(x), start=0, end=.3)
cc <- rainbow(ncol(x), start=0, end=.3)
heatmap.2(x) ## default - dendrogram plotted and reordering done.
heatmap.2(x, dendrogram="none") ## no dendrogram plotted, but reordering done.
heatmap.2(x, dendrogram="row") ## row dendrogram plotted and row reordering done.
heatmap.2(x, dendrogram="col") ## col dendrogram plotted and col reordering done.
heatmap.2(x, keysize=2) ## default - dendrogram plotted and reordering done.
heatmap.2(x, Colv=FALSE)
heatmap.2(x, Colv=NULL)
heatmap.2(x, Rowv=FALSE)
heatmap.2(x, Rowv=NULL)
heatmap.2(x, Rowv=FALSE, dendrogram="both") ## generate warning!
heatmap.2(x, Rowv=NULL, dendrogram="both") ## generate warning!
heatmap.2(x, Colv=FALSE, dendrogram="both") ## generate warning!
heatmap.2(x,dendrogram="both", Rowv=FALSE) ## row and col reordering done, but only col dendrogram plotted
heatmap.2(x,dendrogram="row", Rowv=FALSE)
heatmap.2(x,dendrogram="col", Rowv=FALSE)
heatmap.2(x,dendrogram="none", Rowv=FALSE)
heatmap.2(x,dendrogram="both", Colv=FALSE) ## row and col reordering done, but only row dendrogram plotted
heatmap.2(x,dendrogram="row", Colv=FALSE)
heatmap.2(x,dendrogram="col", Colv=FALSE)
heatmap.2(x,dendrogram="none", Colv=FALSE)
## above statement is same as heatmap.2(x,Colv=FALSE)
heatmap.2(x,dendrogram="col", Colv=FALSE) ## col reordering done, but no dendrogram plotted
hv <- heatmap.2(x, col=cm.colors(256), scale="column",
RowSideColors=rc, ColSideColors=cc, margin=c(5, 10),
xlab="specification variables", ylab= "Car Models",
main="heatmap(<Mtcars data>, \n ..., scale=\"column\")",
tracecol="green", density="density")
str(hv) # the two re-ordering index vectors
## Test row and column separators
heatmap.2(x,dendrogram="col", colsep=1) ## one colsep
heatmap.2(x,dendrogram="col", rowsep=1) ## one rowsep
heatmap.2(x,dendrogram="col", colsep=1:2) ## two colseps
heatmap.2(x,dendrogram="col", rowsep=1:2) ## two rowseps
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