plot | R Documentation |
Visualize correlations between terms of a term-document matrix.
## S3 method for class 'TermDocumentMatrix' plot(x, terms = sample(Terms(x), 20), corThreshold = 0.7, weighting = FALSE, attrs = list(graph = list(rankdir = "BT"), node = list(shape = "rectangle", fixedsize = FALSE)), ...)
x |
A term-document matrix. |
terms |
Terms to be plotted. Defaults to 20 randomly chosen terms of the term-document matrix. |
corThreshold |
Do not plot correlations below this
threshold. Defaults to |
weighting |
Define whether the line width corresponds to the correlation. |
attrs |
Argument passed to the plot method for class
|
... |
Other arguments passed to the
|
Visualization requires that package Rgraphviz is available.
## Not run: data(crude) tdm <- TermDocumentMatrix(crude, control = list(removePunctuation = TRUE, removeNumbers = TRUE, stopwords = TRUE)) plot(tdm, corThreshold = 0.2, weighting = TRUE) ## End(Not run)
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