I like having all my important documents and scripts in one single place. This saves me from having to synchronize them between the different workplaces I have, and makes backupping much less of a pain. One way of achieving this… See more › [Read more...]

A while back I wrote a blog post on the R package I wrote for reading and manipulating grads data. The library is quite basic, and does not support a number of grads data file options: Using one ctl file,… See more › [Read more...]

Because I do not have root privileges on some of the machines I use, I build part of my software from source and install it into my own homedirectory. Doing that requires one to download R from CRAN, e.g. R… See more › [Read more...]

Only recently I discovered StackOverflow. I know, as a nerd already programming for many years that is quite late. For those who are not familiar with StackOverflow (aka SO), it is a Question and Answer site for programmers. It is… See more › [Read more...]

I really love the plyr package. Apart from having a progress bar and plyr handeling a lot of the overhead, a very interesting feature is being able to run plyr in parallel mode. Essentially, setting .parallel = TRUE runs any… See more › [Read more...]

Which text editor do you use? Once in a while this question pops up on the R-help mailing list. Up until recently I used the KDE text editor Kate under Linux. Recently, I came across a new text editor for… See more › [Read more...]

I created an R package to read grads data. As far as I know, there is no dedicated package to read grads data. The package is still quite new, any remarks on the documentation or code are more than welcome.… See more › [Read more...]

Drawing maps of the polar regions can be done using square spatial maps. A small example says more than a thousand words: xlim = c(-180,180) ylim = c(60,90)   # Some fake grid data dat_grid = expand.grid(x = xlim[1]:xlim[2], y… See more › [Read more...]

Sometimes people ask very basic questions on the R-help mailing list, which could have easily been answered by reading some R manual or doing a quick Google search. Responses on the mailing range from people answering the question to “Please… See more › [Read more...]

This is a copy of a post by me on the R-statistics blog. Fortran and C programmers often say that interpreted languages like R are nice and all, but lack in terms of speed. How fast something works in R… See more › [Read more...]