Hi HanOostdijk,
Thank you for your response. I'm using the following command:
install.packages("C:/Users/HP/AppData/Local/Temp/RtmpkxPnNy/downloaded_packages/ggplot2_3.3.0", type = "source")
And getting this warning :
Warning in install.packages :
package ‘C:/Users/HP/AppData/Local/Temp/RtmpkxPnNy/downloaded_packages/ggplot2_3.3.0’ is not available (for R version 4.0.0 Patched).
What do you think could be the problem? Thanks again. Cheers!