[Rd] Error in documentation for ?legend

POLITZER-AHLES, Stephen [CBS] stephen.politzerahles at polyu.edu.hk
Sat Mar 25 00:39:46 CET 2017

To whom it may concern:

The help page for ?legend refers to a `title.cex` parameter, which suggests that the function has such a parameter. As far as I can tell, though, it doesn't; here's an example:

> plot(1,1)
> legend("topright",pch=1, legend="something", title="my legend", title.cex=2)
Error in legend("topright", pch = 1, legend = "something", title = "my legend",  :
  unused argument (title.cex = 2)

This issue appears to have been discussed online before (e.g. here's a post from 2011 mentioning it: http://r.789695.n4.nabble.com/Change-the-text-size-of-the-title-in-a-legend-of-a-R-plot-td3482880.html) but I'm not sure if anyone ever reported it to R developers.

Is it possible for someone to update the ?legend documentation page so that it doens't refer to a parameter that isn't usable?


Steve Politzer-Ahles

Stephen Politzer-Ahles
The Hong Kong Polytechnic University
Department of Chinese and Bilingual Studies



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