Install httpgd from CRAN:
install.packages("httpgd")Or get the latest development version from GitHub:
remotes::install_github("nx10/httpgd")See system requirements for troubleshooting.
System requirements
Depends on R version ≥ 4.0 on windows, and R ≥ 3.2 on
linux and macOS (a C++ compiler with basic C++17 support is required).
Note that there is a rare bug in R versions < 4.1, that leads to some plots disappearing when ggplot2 plots are resized and deleted in a specific way.
Also see the unigd
system requirements.