Dear all,
I am using the heatmap representations of latticeExtra package and I
would be interested to draw color side bars representing the groups of a
factor of interest. From my understanding of :
> help(dendrogramGrob)
...
The 'add' argument can be used for additional annotation at the
base of the dendrogram. It should be a list with one component
for each row, with names specifying the type of annotation and
components specifying the contents. Currently, the only supported
name is '"rect"' (which can be repeated), producing rectangles.
The components in such a case is a list of graphical parameters,
possibly vectorized, that are passed on to 'gpar'.
...
I should use the argument add. Unfortunately I am not very familiar with
'gpar' from grid package, and I cannot find the correct syntax to use
this 'add' argument.
Does anyone has an example of how to draw side bars next to a dendrogram
produced with latticeExtra?
Thank you,
Audrey
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