
Why use as.factor () instead of just factor () - Stack Overflow
‘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 …
r - set factor levels in specific order - Stack Overflow
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
Synology NAS: Trying to login after 2-factor authentication results in ...
Oct 6, 2021 · 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
How to force R to use a specified factor level as reference in a ...
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 …
types - R: use of factor - Stack Overflow
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
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
r - How can I change the names of my levels for a factor in an existing ...
Nov 20, 2020 · Here is a solution using mutate from the dplyr package and fct_recode from the forcats package. Note that I have created sample data using tibble from the tibble package. Here is some …
What are the differences between a factor and a vector in R?
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 …
Algorithm to find Largest prime factor of a number
The largest prime factor of n is the last number given by the second function. This algorithm requires a lazy list or a language (or data structure) with call-by-need semantics.
Reorder levels of a factor without changing order of values
Mar 4, 2010 · I have data frame with some numerical variables and some categorical factor variables. The order of levels for those factors is not the way I want them to be. numbers <- 1:4 letters <- …