Tim Farewell

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June 2019

data

How to train your GLM model 20 times faster

Predicting pipe failures with GLMs in R A lot of my time is helping infrastructure companies predict where and when their pipes will fail. One of the approaches I commonly use is to build generalised linear models (GLMs), to predict the location and timing of failures on the basis of Read more…

By Dr Timothy S Farewell, 3 years2 years ago
Blog

Is data.table or dplyr faster at summarising data?

Is data.table or tidyverse’s dplyr faster at summarising data? When dealing with large datasets, I commonly have to summarise data in order to discover, and then communicate the relevant information. Tabular summaries in R like these are similar to using a pivot table in Excel, but with two differences: 1) Read more…

By Dr Timothy S Farewell, 3 years3 years ago
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