How can I change the title of a ggplot2 legend?

Question

I was looking here but I can\'t figure it out.

How can I change the word \"type\" to something else?

Answer 1

Just a word to the wise ... all of these options above can be overridden if you do something dumb like I just did. Earlier in my project, I had simply turned off a legend I didn't like using the "themes" parameter within ggplot:

theme(legend.title = element_blank())

If you do this, no matter what beautiful commands you put in to change the title -- and I tried all of those above -- they won't be overridden by your command to turn the legend off! You have been warned! ;{)