I am trying to install swirl in RStudio and it is not working it reads:
installation of package ‘httr’ had non-zero exit status ERROR: dependency ‘httr’ is not available for package ‘swirl’ * removing ‘/home/justin/R/x86_64-pc-linux-gnu-library/3.2/swirl’ Warning in install.packages : installation of package ‘swirl’ had non-zero exit status
The downloaded source packages are in ‘/tmp/Rtmp9gKFfm/downloaded_packages’
When I try to load it, it says: Error in library(swirl) : there is no package called ‘swirl’
I am running Linux Mint 18 Cinnamon 64-bit 3.0.7 R version 3.2.3
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Answer
I got it work!!
By installing libssl-dev
package:
sudo apt-get install libssl-dev