Combining multiple datasets, whether by stacking or joining, is commonly necessary as is changing the shape of data. The plyr and reshape2 packages offer good functions for accomplishing this in ...

R is hot. Whether measured by more than 10,000 add-on packages, the 95,000+ members of LinkedIn’s R group or the more than 400 R Meetup groups currently in existence, there can be little doubt that ...

R (http://r-project.org) is the world's leading pubic domain statistical analysis software environment. A high-level language similar to IDL with a C-like syntax, R ...

The three most common open source technologies for writing data science programs are Python, SciLab, and R. Here's how to write program-defined functions in R. There's no clear definition of the term ...

There's no clear definition of the term data science. I think of data science as the process of programmatically analyzing data using classical statistics techniques or making predictions using ...