20.30 Adding Some Colour

We can also add some colour to the display. Here we make use of RColorBrewer::brewer.pal() from (Neuwirth 2014) to generate a palette of colours to use.

set.seed(142)
wordcloud(names(freq), freq, min.freq=100, colors=brewer.pal(6, "Dark2"))

References

Neuwirth, Erich. 2014. RColorBrewer: ColorBrewer Palettes. https://CRAN.R-project.org/package=RColorBrewer.


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