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A word cloud geom for ggplot2
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lepennec/ggwordcloud
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ggwordcloud provides a word cloud text geom forggplot2. Theplacement algorithm implemented in C++ is an hybrid between the one ofwordcloud and the one ofwordcloud2.js. The cloud can grow accordingto a shape and stay within a mask. The size aesthetic is used either tocontrol the font size or the printed area of the words.ggwordcloudalso supports arbitrary text rotation. The faceting scheme ofggplot2can also be used. Two functions meant to be the equivalent ofwordcloud andwordcloud2 are proposed. Last but not least you canusegridtext markdown/html syntax in the labels.
You can install the released version of ggwordcloud fromCRAN with:
install.packages("ggwordcloud")or the development version from the github repository
devtools::install_github("lepennec/ggwordcloud")
Please check the latest development version before submitting an issue.
Because sometimes, pictures are better than a thousand words…
library(ggwordcloud)#> Loading required package: ggplot2data("love_words_small")set.seed(42)ggplot(love_words_small, aes(label=word,size=speakers))+ geom_text_wordcloud()+ scale_size_area(max_size=40)+ theme_minimal()
data("love_words")set.seed(42)ggplot(love_words, aes(label=word,size=speakers,color=speakers ))+ geom_text_wordcloud_area(aes(angle=45* sample(-2:2, nrow(love_words),replace=TRUE,prob= c(1,1,4,1,1) )),mask=png::readPNG(system.file("extdata/hearth.png",package="ggwordcloud",mustWork=TRUE )),rm_outside=TRUE )+ scale_size_area(max_size=40)+ theme_minimal()+ scale_color_gradient(low="darkred",high="red")#> Some words could not fit on page. They have been removed.
library(dplyr,quietly=TRUE,warn.conflicts=FALSE)library(tidyr,quietly=TRUE)set.seed(42)ggplot(love_words_small %>% gather(key="type",value="speakers",-lang,-word) %>% arrange(desc(speakers)), aes(label=word,size=speakers))+ geom_text_wordcloud_area()+ scale_size_area(max_size=40)+ theme_minimal()+ facet_wrap(~type)
set.seed(42)ggplot(love_words_small, aes(label=word,size=speakers,label_content= sprintf("%s<span style='font-size:7.5pt'>(%g)</span>",word,speakers)))+ geom_text_wordcloud_area()+ scale_size_area(max_size=40)+ theme_minimal()
More examples are available in the vignette.
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A word cloud geom for ggplot2
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