I successfully installed "cowplot" and "colorspace" as instructed, but failed to install 'colorblindr'. Very disappointed since I have bought the wonderful book "Fundamentals of Data Visualization" but am unable to produce same graphs. Error message is as below. Your help is needed. Thank you.
remotes::install_github("clauswilke/colorblindr")
Downloading GitHub repo clauswilke/colorblindr@master
Installing 7 packages: shiny, promises, later, httpuv, xtable, sourcetools, fastmap
Installing packages into ‘C:/Users/magpie/Documents/R/win-library/4.0’
(as ‘lib’ is unspecified)
Error: Failed to install 'colorblindr' from GitHub:
(converted from warning) unable to access index for repository https://owi.usgs.gov/R/bin/windows/contrib/4.0:
cannot open URL 'https://owi.usgs.gov/R/bin/windows/contrib/4.0/PACKAGES'
R version 4.0.0
RStudio version 1.2.5001
colorspace version 1.4-1
cowplot version 1.0.0
I successfully installed "cowplot" and "colorspace" as instructed, but failed to install 'colorblindr'. Very disappointed since I have bought the wonderful book "Fundamentals of Data Visualization" but am unable to produce same graphs. Error message is as below. Your help is needed. Thank you.
R version 4.0.0 RStudio version 1.2.5001 colorspace version 1.4-1 cowplot version 1.0.0