r - plotting xts objects - passsing values for lwd and col parameters creating errors -


whenever try plot xts object values passed parameter col , lwd, returns error saying parameter col (and lwd if comment out col) matched multiple values. here function looks -

data xts object

plot(data, lwd=2, col="red")

installing xtsextra seems solve problem, don't understand why.

xts:::plot.xts specifies several parameters when constructing axes (col, lwd, las, , mgp), passes ... axis call. example:

axis(1, @ = xycoords$x, labels = false, col = "#bbbbbb", ...)

col specified, if specify also, gets passed axis via ... , there 2 col arguments specified axis call.

this isn't problem xtsextra:::plot.xts because parameters removed ... before ... passed axis call.


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