R Matrix Operations

March 27th, 2011

R can be used to perform various matrix calculations. This include functions for creating matrices (matrix), addition (+), multiplication (%*%) and inversion (solve). Read the rest of this entry »

R Package Automated Download

March 6th, 2011

There are situations where we might want to run R on a standalone machine so need to download a (potentially) large number of packages to install on this system. Rather than having to through the pain of searching through CRAN to find the packages and all the dependencies and manually download, it would be nice to be able grab all available packages in one go and then set them up as a local repository. Read the rest of this entry »