Dear List,

I am working with a relatively large correlation matrix (~1600*1600), which
I am looking to plot with function cor.plot in package psych.

cor.plot draws a scalebar with as many tick marks/subdivisions as there are
rows in the matrix, which makes the values unreadable even for relatively
small matrices (e.g. 100*100); this is because the scalebar is added as an
extra column to the matrix plot.

Could someone suggest how to modify cor.plot to make the output more
readable? Ideally, for large matrices one would want the scalebar drawn
separately from the matrix, and with a reasonable number of subdivisions,
say seq(-1,1,0.1) for zlim=c(-1,1).

Many thanks in advance,
Lara

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