content_transformer | R Documentation |
Create content transformers, i.e., functions which modify the content of an R object.
content_transformer(FUN)
FUN |
a function. |
A function with two arguments:
x
an R object with implemented content getter
(content
) and setter (content<-
)
functions.
...
arguments passed over to FUN
.
tm_map
for an interface to apply transformations to corpora.
data("crude")
crude[[1]]
(f <- content_transformer(function(x, pattern) gsub(pattern, "", x)))
tm_map(crude, f, "[[:digit:]]+")[[1]]
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