Articles by Andrew Collier

Hosting Shiny on Amazon EC2

May 30, 2015 | Andrew Collier

I recently finished some work on a Shiny application which incorporated a Random Forest model. The model was stored in a RData file and loaded by server.R during initialisation. This worked fine when tested locally but when I tried to deploy the application on I ran into ... [Read more...]

Comrades Marathon Medal Predictions

May 28, 2015 | Andrew Collier

With only a few days to go until race day, most Comrades Marathon athletes will focusing on resting, getting enough sleep, hydrating, eating and giving a wide berth to anybody who looks even remotely ill. They will probably also be thinking a lot about Sunday's race. What will the weather ... [Read more...]

R Recipe: Aligning Axes in ggplot2

May 27, 2015 | Andrew Collier

Faceted plots in ggplot2 are phenomenal. They give you a simple way to break down an array of plots according to the values of one or more categorical variables. But what if you want to stack plots of different variables? Not quite so simple. But certainly possible. I gathered together ... [Read more...]
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