potential_NA | R Documentation |
Search for potential missing values (i.e., sentences that are merely a
punctuation mark) and optionally replace with missing value (NA
).
Useful in the initial cleaning process.
potential_NA(text.var, n = 3)
text.var |
The text variable. |
n |
Number of characters to consider for missing (default is 3). |
Returns a dataframe of potential missing values row numbers and text.
## Not run:
DATA$state[c(3, 7)] <- "."
potential_NA(DATA$state, 20)
potential_NA(DATA$state)
# USE TO SELCTIVELY REPLACE CELLS WITH MISSING VALUES
DATA$state[potential_NA(DATA$state, 20)$row[-c(3)]] <- NA
DATA
DATA <- qdap::DATA
## End(Not run)
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