As Markus Gesmann recently pointed out, the new version of RStudio (0.96) has some really nice features for creating dynamic reports with Yihui Xie’s knitr. You can integrate not just R and LaTeX, but also R and Markdown (as well as some other fo...
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Interactive reports in R with knitr and RStudio
Last Saturday I met the guys from RStudio at the R in Finance conference in Chicago. I was curious to find out what RStudio could offer. In the past I have used mostly Emacs + ESS for editing R files. Well, and what a surprise it was. JJ, Joe and Josh ...
Quickly Explore the Penn World Tables in R
The Penn World Tables are one of the greatest source of worldwide macroeconomic data, but dealing with its web interface is somewhat cumbersome. Fortunately, the data is also available as a R package on CRAN. Having some tools at hand … Continue reading →
Visualizing left-right government positions
How does the political landscape of Europe change over time? One way to approach this question is to map the socio-economic left-right positions of the governments in power. So let’s plot the changing ideological positions of the governments using data … Continue reading →
Change in life expectancy animated with geo charts
The data of the World Bank is absolutely amazing. I had said this before, but their updated iPhone App gives me a reason to return to this topic. Version 3 of the DataFinder App allows you to visualise the data on your phone, including motion maps, see...
googleVis 0.2.15 is released: Improved geo and bubble charts
The guys behind the Google Visualisation API don't seem to rest. On 22 February 2012 they released an update of their API. Google added options for a gradient colour axis to bubble chart and a magnifying glass to geo chart, which opens when the user ho...
Reshaping the IT world
During my university time I worked on the IT help desk for a while. One day I received a call from a professor, who said that his printer had stopped working. So I asked him, if there was a message on the display and if he could read it to me. "Oh yes"...
googleVis 0.2.14 is released
Version 0.2.14 of the googleVis package was released on CRAN today.ChangesThe help files have been checked against changes of the Google Visualisation API, typos in the vignette have been ironed out (thanks to Pat Burns for pointing them out), a new se...
Credit rating by country
The financial crisis has put a lot of pressure on countries' long-term foreign currency credit ratings, with France recently being downgraded by S&P. Wikipedia provides a list of countries by credit ratings as report by US rating agencies S&P, Fitch, ...
Coming of Age: R and Spatial Data Visualisation
I have been using R (a free statistics and graphics software package) now for the past four years or so and I have seen it become an increasingly powerful method of both analysing and visualising spatial data. Crucially, more and more people are writing accessible tutorials (see here) for beginners and intermediate users and the development ...
Zero Inflated Models and Generalized Linear Mixed Models with R.
Zuur, Saveliev, Ieno (2012).
