A look at the data.table package

The data.table package enables very fast processing of ordered data, including subset, join and aggregation. I'll give a couple of examples of how to use it. More info at https://datatable.r-fo... (https://datatable.r-forge.r-project.org/)

Let's also try, at the beginning of the session, noting any new packages, updates, or blogs which have caught your eye recently.