R, like many software programs, likes to have a folder or directory on your computer to operate in. When you start R, depending on how you start it and whether…
1,455 total views
Continue readingCategory: R
Posts on how to do things in R.
R – changing mirror in RStudio
CRAN (The Comprehensive R Archive Network) is a distributed set of servers that allow people to download the various R packages from a bunch of servers that are all “mirrors”…
1,359 total views
Continue readingR – create scatterplot with ggplot2
R has pretty amazing capabilities for creating charts and graphs. One of the most common packages for this is ggplot2. However, it’s not the most intuitive package I have used…
4,285 total views
Continue readingR – find cases (rows) that match specific criteria
I regularly need to find a specific case or set of cases that meet some criteria when analyzing data, often so I can modify those values for one reason or…
7,630 total views
Continue readingR – delete one or several variables in a dataset
I regularly create variables while analyzing data and then find that I need to delete a variable I created. At times, I just want to get rid of a variable…
21,777 total views
Continue readingR – create variable filled with zeros
I ran into a situation where I needed to add a variable to a dataset. I knew that I was then going to modify some of the values in the…
6,436 total views, 1 views today
Continue reading