Ray Donnelly questions

Ray Donnelly answers

• Creating conda environment using only symbolic links
• cmake error using the mingw-w64-x86_64 gcc toolchain under Windows 7 : "this program has been built without plugin support"
• XGBoost plot importance has no property max_num_features
• How to set up conda-installed R for use with RStudio?
• Packages missing in current osx-64 and channels
• Invoke MSYS2 Shell from Command Prompt or PowerShell