potential_NA(text.var, n = 3)
Returns a dataframe of potential missing values row numbers and text.
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.
## <strong>Not run</strong>: # 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 # ## <strong>End(Not run)</strong>