cloud | R Documentation |
cloud
creates a siple word cloud plot
cloud(w, col, yspace=1.3, xspace=0.01, minh=0, ...)
w |
named weights - the acutal data to display. Names are used as tags, actual weight is used for the size. Note that plotting an unnamed vector results in an empty plot. |
col |
color for the tags. |
yspace |
space between lines as a multiple of the text height. |
xspace |
space (padding) between tags (in native coordinates). |
minh |
minimal height of a line. |
... |
optional arguments, currently ignored. |
The coordinates of the plot are [0, 1] in both x and y. The plot is created by starting in the upper left, proceedeing from left to right and top to bottom. The algorithm used is simply filling up
Note that resizing a world could usually destroys its
properties. You'll have to re-run cloud
after resizing,
because it relies on exact extents of the text.
Invisible TRUE.
# a really silly one words <- c(apple=10, pie=14, orange=5, fruit=4) cloud(words) # or with more words - take the license for example r <- paste(readLines(file.path(R.home(),"COPYING")), collapse=' ') r <- gsub("[\f\t.,;:`'\\\"\\(\\)<>]+", " ", r) w <- tolower(strsplit(r, " +")[[1]]) cloud(sqrt(table(w))) # remove infrequent words wt <- table(w) wt <- log(wt[wt > 8]) cloud(wt, col = col.br(wt, fit=TRUE))
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