RSiteCatalyst Version 1.4.4 Release Notes

It’s been about six months since the last RSiteCatalyst update, and this update is really just a single bug fix, but a big bug fix at that! Sparse Data = Opaque Error Messages Numerous people have reported receiving an error message from RSiteCatalyst similar to the following: ‘names’ attribute [1] must be the same length […]

Vega.jl Rebooted – Now with 100% More Pie and Donut Charts!

          Mmmmm, chartjunk! Rebooting Vega.jl Recently, I’ve found myself without a project to hack on, and I’ve always been interested in learning more about browser-based visualization. So I decided to revive the work that John Myles White had done in building Vega.jl nearly two years ago. And since I’ll be giving […]

Sessionizing Log Data Using data.table [Follow-up #2]

Thanks to user dnlbrky, we now have a third way to accomplish sessionizing log data for any arbitrary time out period (see methods 1 and 2), this time using data.table from R along with magrittr for piping: I agree with dnlbrky in that this feels a little better than the dplyr method for heavy SQL users […]

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