1. Package Management in R with Checkpoint
Andrew Worsley

3. Don’t Forget Silence your cell phones Online Evaluations
Submit for raffles by 3:30PM

4. Andrew Worsley
Data

5. So why all the Fuss about R?

6. R is... 'Free' Capable Well supported Growing Improving
2016 IEEE Spectrum Programming Language Rankings

7. library(threejs)
# outliers will be coloured red, all other points will be grey
col = rep("#4c4646",nrow(dat))
col[top.ten] = "#b20000"
# javascript 3d scatter plot
scatterplot3js(x,y,z,num.ticks=NULL,color=col)

8. How do I ensure my work is reproducible when packages keep updating!?

9. require(checkpoint)

10. Checkpoint
‘The goal of checkpoint is to solve the problem of package reproducibility in R. Specifically, checkpoint allows you to install packages as they existed on CRAN on a specific snapshot date as if you had a CRAN time machine.’ – CRAN R Documentation Author: Microsoft Corporation Maintainer: Andrie de Vries Key function: checkpoint()

11. Demo
A Very Basic Example

16. QUESTIONS

17. References and Further Reading
checkpoint Documentation Revolution Analytics Blog Git Repo threejs Documentation R Tools for Visual Studio

19. Thank You
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