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 - How to convert a factor to integer\numeric without loss of ...
See the Warning section of ?factor: In particular, as.numeric applied to a factor is meaningless, and may happen by implicit coercion. To transform a factor f to approximately its original numeric values, …
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 …
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.
Pandas - make a column dtype object or Factor - Stack Overflow
Mar 30, 2013 · In pandas, how can I convert a column of a DataFrame into dtype object? Or better yet, into a factor? (For those who speak R, in Python, how do I as.factor()?) Also, what's the difference …
odbcDriverConnect fails as Microsoft enforce multi-factor authentication
May 11, 2023 · We have been using RODBC odbcDriverConnect for several years to access Azure SQL database using AD Username Password authentication. This now fails with the following error, after …
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 …
colors - Colouring plot by factor in R - Stack Overflow
May 26, 2016 · Using R's built in plot functionality Using R's built in plot functionality to get a plot colored by a factor and an associated legend is a 4-step process, and it's a little more technical than using …
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. …
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