targets
Data science can be slow. A single round of statistical computation can take several minutes, hours, or even days to complete. The targets
R package keeps results up to date and reproducible while minimizing the number of expensive tasks that actually run. targets
arranges the steps of your pipeline, skips costly runtime for steps that are already up to date, runs the rest with optional implicit parallel computing, abstracts files as R objects, and shows tangible evidence that the output matches the underlying code and data. In other words, the package saves time while increasing your ability to trust the results. This hands-on workshop teaches targets using a realistic case study from , to an 2018 RStudio AI Blog post by Matt Dancho: https://blogs.rstudio.com/ai/posts/2018-01-11-keras-customer-churn. Participants gradually build up a targets
-powered machine learning pipeline through guided hands-on R programming exercises.
Post an issue to https://github.com/wlandau/targets-tutorial to ask for help. Be sure to follow the code of conduct.
Syllabus Topic Materials Intro slides Functions1-functions.Rmd
Pipelines 2-pipelines.Rmd
Changes 3-changes.Rmd
Debugging 4-debugging.Rmd
Files 5-files.Rmd
Branching 6-branching.Rmd
Challenge 7-challenge.Rmd
Schedule
This schedule budgets time for a 4-hour iteration of the workshop (8 AM to noon).
Topic Format Breakout rooms Minutes Start End Materials Intro presentation lecture no 20 8:00 8:20 slides Q&A discussion no 10 8:20 8:30 slides Functions for the case study exercises yes 15 8:30 8:451-functions.Rmd
Review functions lecture no 5 8:45 8:50 1-functions.Rmd
Break break no 10 8:50 9:00 Build up a pipeline exercises yes 20 9:00 9:20 2-pipelines.Rmd
Review building up a pipeline lecture no 5 9:20 9:25 2-pipelines.Rmd
Iterate on changes exercises yes 20 9:25 9:45 3-changes.Rmd
Review iterating on changes lecture no 5 9:45 9:50 3-changes.Rmd
Break break no 10 9:50 10:00 Debugging pipelines exercises yes 20 10:25 10:45 4-debugging.Rmd
Review debugging pipelines lecture no 5 10:45 10:50 4-debugging.Rmd
Break break no 10 10:50 11:00 External files exercises yes 20 10:00 10:20 5-files.Rmd
Review external files lecture no 5 10:20 10:25 5-files.Rmd
Dynamic branching exercises yes 20 11:00 11:20 6-branching.Rmd
Review dynamic branching lecture no 5 11:20 11:25 6-branching.Rmd
Challenge exercise exercises yes 20 11:25 11:45 7-challenge.Rmd
Review challenge exercise lecture no 5 11:45 11:50 7-challenge.Rmd
Q&A discussion no 10 11:50 12:00 References
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