Installing the package phaseR in RStudio versions from 2025 and beyond:

To install the package phaseR in the newer versions of RStudio, follow these steps:
(Not applicable to RStudio versions from 2024 and earlier; in those versions it can be installed directly by using the command install.packages("phaseR")).

Step 1:

Type the following command in the RStudio console:
install.packages("devtools")
At the prompt 'do you want to install from sources the packages which need compilation' click 'yes'.
The installation will likely take some time, as the dependencies will also be installed.

If after executing this command you receive a very long message with the following text at the top:
WARNING: Rtools is required to build R packages but is not currently installed. Please download and install the appropriate version of Rtools before proceeding: https://cran.rstudio.com/bin/windows/Rtools/

Then do the following:
- First check which R version you have by executing the command R.version.string in the RStudio console.
- Then go to the mentioned website and install the correct version of Rtools (use the default settings).

After Rtools is installed, you can execute the command install.packages("devtools"). At the prompt 'do you want to install from sources the packages which need compilation' click 'yes'.


Step 2:
Type the following command in the RStudio console:

devtools::install_github("cran/phaseR")