ggplot2 Color Scale Over Affected by Outliers

Question

I\'m having difficulty with a few outliers making the color scale useless.

My data has a Length variable that is based in a range, but will usually have a few much large

Answer 1

Get rid of the outliers. Quick and dirty, I know, but I think it was worth saying. You can always describe them in your text. Why let them ruin your analyses and graphs?

There's a paper referenced in this blog post which deals with ethically removing outliers:

http://psuc2f.wordpress.com/2011/10/14/is-it-dishonest-or-unethical-to-remove-outliers/

Another simple way of dealing with them would be to cap them:

df$Value[df$Value>1300]=1300

Again, you can describe that you did this in the text or even just edit the scale to say 1300+ instead of 1300