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 …
Filter factor levels in R using dplyr - Stack Overflow
May 5, 2015 · Filter factor levels in R using dplyr Asked 10 years, 8 months ago Modified 10 years, 8 months ago Viewed 67k times
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 …
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 context? It …
How can I customize the tab-to-space conversion factor in VS Code?
Apr 30, 2015 · How do I customize the tab-to-space conversion factor when using Visual Studio Code? For instance, right now in HTML it appears to produce two spaces per press of TAB, but in …
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, 3 months ago Modified 14 days ago Viewed 20k times
efficient ways of finding the largest prime factor of a number
Jun 11, 2014 · I'm doing this problem on a site that I found (project Euler), and there is a question that involves finding the largest prime factor of a number. My solution fails at really large numbers so I was
Changing plot scale by a factor in matplotlib - Stack Overflow
45 I am creating a plot in python. Is there a way to re-scale the axis by a factor? The yscale and xscale commands only allow me to turn log scale off. Edit: For example. If I have a plot where the x scales …
Convert NA into a factor level - Stack Overflow
addNA modifies a factor by turning NA into an extra level (so that NA values are counted in tables, for instance). So another reason this is nice is because if you already have a factor f, you can use …
loops - R check if a variable is a factor - Stack Overflow
Aug 8, 2014 · I am trying to write a loop which can apply to a dataframe. The loop will basically check each variable in the dataframe and tell me which variable is a factor. An example: test1<-c("red","re...