Description Usage Arguments Examples
The function showLegend is an example for generating legend in the figure of heatmap3 function. You can use your any plot functions to generate your own legend.
1 2 3 4 5 6 7 |
legend |
a character or expression vector
of length ≥ 1 to appear in the legend. Other
objects will be coerced by |
lwd |
the line widths for lines appearing in the legend. |
cex |
character expansion factor relative to current
|
col |
the color of points or lines appearing in the legend. |
... |
additional arguments passed on to |
1 2 3 4 5 6 | RowSideColors<-rep("steelblue2",nrow(mtcars))
RowSideColors[c(4:6,15:17,22:26,29)]<-"lightgoldenrod"
RowSideColors[c(1:3,19:21)]<-"brown1"
heatmap3(mtcars,scale="col",margins=c(2,10),RowSideColors=RowSideColors,
legendfun=function() showLegend(legend=c("European","American",
"Japanese"),col=c("steelblue2","lightgoldenrod","brown1"),cex=1.5))
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