
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 …
Synology NAS: Trying to login after 2-factor authentication results in ...
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
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
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 …
Convert data.frame column format from character to factor
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 …
Optimal bcrypt work factor - Stack Overflow
What would be an ideal bcrypt work factor for password hashing. If I use a factor of 10, it takes approx .1s to hash a password on my laptop. If we end up with a very busy site, that turns into a ...
Convert all data frame character columns to factors
Given a (pre-existing) data frame that has columns of various types, what is the simplest way to convert all its character columns to factors, without affecting any columns of other types? Here's an
ios - Re-enable GitHub two-factor authentication with Authenticator …
Re-enable GitHub two-factor authentication with Authenticator app when switching to a new smartphone Asked 2 years, 2 months ago Modified 1 year, 6 months ago Viewed 7k times
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 <- …
Cleaning up factor levels (collapsing multiple levels/labels)
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. …