In this series of three posts, we’ll look at colours in R graphics produced with ggplot2: what are the available choices of colour schemes, and how to choose a colour palette most suitable for a particular graphic?In kindergarten, choosing a co...

R news and tutorials contributed by (552) R bloggers

Nick has a paper in the American Statistician warning about bias in multiple imputation arising from rounding data imputed under a normal assumption. One example where you might run afoul of this is if the data are truly dichotomous or count variables, but you model it as normal (either because your software is unable to model dichotomous...

Andrea Spanò, founder and partner at Quantide, held two seminars about Industrial Statistics at the University of Bergamo. Process Capability Analysis and Gage R&R were topics of seminars. Registered Milano R net users can download presentations from this page.

Whilst writing the book the latest version of R changed several times. Although I started on an earlier version, the bulk of the book was written with 2.11 and it was finished under R 2.12. The final version of the R scripts were therefore run and checked using R 2.12 and, in the main, the most recent