Nothing
Code
get_idf("not a list")
Condition
Error in `get_idf()`:
! `x` must be a list of character vectors.
Code
get_idf(list())
Condition
Error in `get_idf()`:
! `x` must contain at least one document.
Code
get_idf(list(c("a"), 5))
Condition
Error in `get_idf()`:
! Every element of `x` must be a character vector.
Code
get_idf(idf_docs, path = 5)
Condition
Error in `get_idf()`:
! `path` must be `NULL` or a single file path string.
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