‘factor(x, exclude = NULL)’ applied to a factor without ‘NA’s is a no-operation unless there are unused levels: in that case, a factor with the reduced level set is returned. ‘as.factor’ coerces its argument to.
Sep 11, 2021 · set factor levels in specific order [duplicate] Asked 4 years, 5 months ago Modified 4 years, 5 months ago Viewed 5k times
Apr 17, 2023 · Synology NAS: Trying to login after 2-factor authentication results in "wrong verification code. please try again" Asked 4 years, 4 months ago Modified 1 month ago Viewed 20k times
Dec 6, 2018 · The complete conversion of every character variable to factor usually happens when reading in data, e.g., with stringsAsFactors = TRUE, but this is useful when say, you've read data in.
You should do the data processing step outside of the model formula/fitting. When creating the factor from b you can specify the ordering of the levels using factor(b, levels = c(3,1,2,4,5)). Do this in a.
Dec 28, 2011 · Factors vs character vectors when doing stats: In terms of doing statistics, there's no difference in how R treats factors and character vectors. In fact, its often easier to leave factor.
ggplot2: change order of display of a factor variable on an axis Asked 14 years, 1 month ago Modified 9 years, 2 months ago Viewed 35k times
Dec 6, 2022 · A factor is a very specific type of vector that is an odd mix of numeric and character, which at first glance seems like a character, but under the hood is actually numeric. The character aspect.
Apr 13, 2017 · What is the most effective (ie efficient / appropriate) way to clean up a factor containing multiple levels that need to be collapsed? That is, how to combine two or more factor levels into one..
