Great painters can teach us a lot about how to compose a good palet for our plot. That is why we look here at a way to algorithmically derive a colour palette from any jpeg image. Application of derived palettes on ggplot is also showed.
Microsoft, in collaboration with Quantide, is offering a one-day live course in Milano: a wide overview of R as a data science tool, in a free class, open to everybody.
Principal components regression (PCR) is a regression method based on Principal Component Analysis: discover how to perform this Data Mining technique in R
Info, dates and topics of our five Autumn R Courses: from programming to data manipulation, from statistics to data mining, everything with R.
Discover Data Mining with R: find patterns in large data sets using the R tools for Dimensionality Reduction, Clustering, Classification and Prediction.
Cross-validation is a widely used model selection method. We show how to implement it in R using both raw code and the functions in the caret package.