I'm trying to add those data with each other, but I found "N/A" in the final output when I enter new names didn't exists in the first vector, so how can i handle it to show all the data without any "N/A"
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We need to add "Maori" to party_fac. Something like: `party_fac <- c(party_fac, "Maori")`. Provide example data please. – zx8754 Feb 01 '22 at 08:05
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Please don’t use images of data as they cannot be used without a lot of unnecessary effort. [For multiple reasons](//meta.stackoverflow.com/q/285551) Questions should be reproducible. Check out stack overflow guidance [mre] and [ask]. Include a minimal dataset in the form of an object for example if a data frame as `df <- data.frame(…)` where … are your variables and values or use `dput(head(df))`. [Good overview on asking questions](https://stackoverflow.com/questions/5963269/how-to-make-a-great-r-reproducible-example) – Peter Feb 01 '22 at 09:17
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I think you just want to merge/append two factors, an easy approach would be to convert them to character, append them and make it a factor again.
Just a simple example with letters
p <- as.factor(LETTERS[3:8])
q <- as.factor(LETTERS[1:5])
as.factor(c(as.character(p), as.character(q)))
# [1] C D E F G H A B C D E
# Levels: A B C D E F G H
Merijn van Tilborg
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If this answer helped, please consider accepting it, by clicking the green checkmark to the left of the answer. – Merijn van Tilborg Feb 01 '22 at 10:14