For German-spoken users I added the function floraweb_scrape.R that allows you to conveniently collect species data and print to a PDF-file (see this example output). The function accesses data provided by the  web-site FloraWeb.de (BfN - Bundesministerium für Naturschutz).
You can use it as an interactive version (RTclTk) which I have put to a Github repository

Read more »

A quick tip on how to source R-scripts from a Dropbox-account:(1) Upload the script.. (2) Get link with the "get link" option. The link should look like "https://www.dropbox.com/s/XXXXXX/yourscript.R"..(3) Grab this part "XXXXXX/yourscript.R" and paste...

Read more »

I'll use the below script that retrieves data for threatened bird species from the World Bank via its API and does some processing, plotting and analysis. There is a package (WDI) that allows you to access the data easily.# world bank indicators for sp...

Read more »

Here is a little toy example using knitr, LaTeX/MiKTeX and Google Docs.Say you had a list on Google Docs (say a list of attendants) and you want to print a report with it..Then see this example using this Rnw-file and the output...make the tex-file wit...

Read more »

This one took me some time - though, in fact it is plain simple:

> options(scipen=999)
> (my_df    X1 X2 X3 X4 X5 X6 X7 X8 X9 X10
1   0  0  1  0  1  1  1  1  0   1
2   0  0  1 ...
Read more »

odfWeave is an R-package that is used for making dynamic reports by Sweave processing of Open Document Format (ODF) files. For anyone new to report generation and lacking knowledge of markup languages this might be a good starting point or even a true ...

Read more »

Here's a quick tip for anyone wishing to export results, say a regression table, from R to MS Word:require(R2wd)# install packages required# install software RCOM, RDCOMClient # (I had to restart the R-Session after the above step to get it work)wdGet(...

Read more »

We love them, we hate them: RANKINGS!Rankings are an inevitable tool to keep the human rat race going. In this regard I'll pick up my last two posts (HERE & HERE) and have some fun with it by using it to analyse R-Bloggers' web presence. I will use...

Read more »

Some months ago I posted an example of how to get the links of the contributing blogs on the R-Blogger site. I used readLines() and did some string processing using regular expressions.With package XML this can be drastically shortened - see this:# get...

Read more »