I added the function IPtoXY to theBioBucket-Archives which collects geographic coordinates for IP-addresses.It uses a web-service at http://www.datasciencetoolkit.org// and works with the base R-packages. # System time to collect coordinates of 100 IP-...

..often needed when preparing data for analysis (and usually forgotten until I need it for the next time).With the below code I convert a set of variables to factors - it could be that there are slicker ways to do it (if you know one let me know!) __ da...

See stand-alone code to produce this map below.Read more »

I keep my blog-reference-functions, snippets, etc., at github and want to source them from there. This can be achieved by utilizing a function (source_https, customized for my purpose HERE). The original function was provided by the R-Blogger Tony Brey...

..see the function-code HERE.

Try this very simple & illustrative example for creating an animation with the animation package:myfun

..Some time ago I did a word cloud for representing a Google Scholar search result. Tal Galili pointed me at a post by Drew Conway that expanded on the topic of word clouds lacking spatial meaning. In fact the spatial ordering of words in a word cloud ...

(1) for producing html code for a Google Map with R-package googleVis do something like: library(googleVis)df

..The dismo package is awesome: with some short lines of code you can read & map species distribution data from GBIF (the global biodiversity information facility) easily:Read more »

... I thought this geocoding-bit might be worth to share (found HERE when searching the web for dismo-documentation).Read more »

Find the below examples added to my list of regex-examples HERE. Read more »

I was unlucky finding a function that can handle matrices with different dimensions. Thus, I coded a little function that sums up matrices, also coping with matrices with different dimensions.Read more »

If you're thinking it is time to give the code examples in your blog a more readable look, you may follow this path and use the SyntaxHighlighterFirst thing: check the SyntaxHighlighter Website for the basics.Read more »

...There is not much to it:upload a txt file with your script, share it for anyone with the link, then simply run something like the below code. ps: When using the code for your own purpose mind to change "https" to "http" and to i...

Replying to Ben Bolker's post Google Scholar (still) sucks:Ben,thanks for illustrating the issue in your post!The main purpose of my function GScholarScraper is to retrieve titles - just because this is the best we can get from Google Scholar. Abstract...

Some project offspin, the jpgfader-function (the jpgfader-function in funny use can be viewed HERE):Read more »

...Just read you JPEG and add an alpha channel manually, then assign values for transparency. Of course for printing you need to use a device that accepts alpha.See how it's done HERE.

Based on my previous post on Web Scraping I coded and uploaded the Function "GScholarScraper" HERE for testing!The function will pull all (!) results, processing pages in chunks of 100 results/titles, and return a file with all titles, links, etc. It w...

The outcome presented above will not be very useful to most of you - still, this could be a good example for what possibly can be done via web scraping in R.Background: TIRIS is the federal geo-statistical service of North-Tyrol, Austria. One of many g...

I found that examples for the use of regex in R are rather rare. Thus, I will provide some examples from my own learning materials - mostly stolen from the help pages, with small but maybe illustrative adaptions.ps: I will extent this list of examples...