Created
April 30, 2017 13:52
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Plot only legend of a ggplot
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| # Stolen from http://stackoverflow.com/a/12041779/914024 | |
| gglegend <- function(x){ | |
| tmp <- ggplot_gtable(ggplot_build(x)) | |
| leg <- which(sapply(tmp$grobs, function(y) y$name) == "guide-box") | |
| tmp$grobs[[leg]] | |
| } |
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stolen haha