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 …
Synology NAS: Trying to login after 2-factor authentication results …
Apr 17, 2023 · Synology NAS: Trying to login after 2-factor authentication results in "wrong verification code. please try again" Asked 4 years, 3 months ago Modified 8 days ago Viewed …
when to use factor () when plotting with ggplot in R?
Feb 25, 2013 · Is the general rule to use factor when the variable being used to determine the shape/size/colour is discrete, and not continuous? Or is there another use of factor in this …
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 …
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 …
fit an `lm` model for every level of a factor - Stack Overflow
I am trying to write a function that iterates (or uses purrr::map()) through every level of a factor, and fits an lm() model for the subset of the data where the factor is equal to that level.
multi factor authentication - How does a Guest User reset their MS ...
azure-active-directory multi-factor-authentication azure-ad-b2b authenticator asked Jul 24, 2020 at 18:04 successhawk 3,401 5 37 53
reorder factor levels manually using indices with tidyverse
Nov 18, 2023 · I have a data.frame which contains a factor variable at the beginning. I would like to first change the order of the factor levels, and then sort the data.frame to be ordered by …
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 …
r - Replace <NA> in a factor column - Stack Overflow
Sep 30, 2017 · In `[<-.factor`(`*tmp*`, iseq, value = c(88, 88)) : invalid factor level, NA generated I think I missed a fundamental R concept about factors. Am I? I can not understand why it …