
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 …
Drop unused factor levels in a subsetted data frame
I have a data frame containing a factor. When I create a subset of this dataframe using subset or another indexing function, a new data frame is created. However, the factor variable retains all o...
Remove expired certificates from Azure Multi-Factor Auth Client (NPS ...
May 5, 2025 · I'm currently looking into how we should remove expired certificates from Azure Multi-Factor Auth Client, and properly cleanup the old certificates with Microsoft Graph PowerShell cmdlets.
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 …
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. …
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 …
r - Manually set shape by factor - Stack Overflow
Manually set shape by factor Ask Question Asked 11 years, 6 months ago Modified 2 years, 11 months ago
vuejs3 - How to add a screenshot with form factor set to wide (warning ...
Jan 20, 2024 · How to add a screenshot with form factor set to wide (warning for PWA from DevTools) Ask Question Asked 2 years, 2 months ago Modified 2 years, 2 months ago
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 …