Re: [R] ggplot2 - legend for fill coulours

From: hadley wickham <h.wickham_at_gmail.com>
Date: Tue, 01 Apr 2008 13:50:46 -0500

> However, it looks this works only when the data are in the sequence
> of the levels in the factor defining the fill colours. When the
> sequence is different, the legend gets "scrambled", in that the order
> of the colours does not match the labels.

You can fix this by explicitly specifying the breaks to use in the identity scale:

 + scale_fill_identity(labels=levels(plotdata2$group), breaks=levels(plotdata2$group))

That way there's no confusion about how the values and their labels match up.

Regards,

Hadley

-- 
http://had.co.nz/

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Received on Tue 01 Apr 2008 - 18:53:26 GMT

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