r Archives - Page 8 of 17

Standardize data columns in R

I have a dataset called spam which contains 58 columns and approximately 3500 rows of data related to spam messages. I plan on ...

May 22, 2022
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Find the day of a week

Let’s say that I have a date in R and it’s formatted as follows. date 2012-02-01 2012-02-01 2012-02-02 Is there any way in ...

May 21, 2022
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Change R default library path using .libPaths in Rprofile.site fails to work

I am running R on Windows, not as an administrator. When I install a package, the following command doesn’t work: > install.packages("zoo") Installing ...

May 21, 2022
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What are the main differences between R data files?

What are the main differences between .RData, .Rda and .Rds files? Are there differences in compression, etc.? When should each type be used? ...

May 21, 2022
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How to assign from a function which returns more than one value?

Still trying to get into the R logic… what is the “best” way to unpack (on LHS) the results from a function returning ...

May 21, 2022
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Filter rows which contain a certain string

I have to filter a data frame using as criterion those row in which is contained the string RTB. I’m using dplyr. d.del ...

May 20, 2022
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Tools for making latex tables in R [closed]

It’s difficult to tell what is being asked here. This question is ambiguous, vague, incomplete, overly broad, or rhetorical and cannot be reasonably ...

May 20, 2022
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Split a vector into chunks

I have to split a vector into n chunks of equal size in R. I couldn’t find any base function to do that. ...

May 20, 2022
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How can I remove all objects but one from the workspace in R?

I have a workspace with lots of objects and I would like to remove all but one. Ideally I would like to avoid ...

May 20, 2022
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