Articles by songpants

Update your Windows PATH – revisited

December 15, 2011 | songpants

Yihui got me psyched a little about GitHub After my last post about running your R infrastructure from an USB drive, he commented on my function that would update the Windows PATH (which is at least important for R and Rtools). Now I found some time to polish it a ... [Read more...]

RMySQL: using the latest MySQL version

December 15, 2011 | songpants

In order to connect my R related stuff to a webserver and MySQL I went all the way from using xampp to setting up my own (W)AMPP  (Apache MySQL PHP Perl) to finally back to xampp. And I’m quite happy about this very last switch to xampp! Why ... [Read more...]

Indexing Nested Lists

November 20, 2011 | songpants

I’ve long searched for a somewhat efficient approach to indexing nested lists and/or environments and here’s my best solution so far. For me, being able to compute such an index is the crucial part in order to actually manage such nested structures (which are very helpful in ... [Read more...]

Doing away with “unknown timezone” warnings

November 8, 2011 | songpants

Timezone stuff can really drive you NUTS - at least if you’re sitting in front of a German Windows-Box This is what I used to do to set my tz: And I always wondered why R would throw “unknown timezone” warnings: Someday I found out that setting tz via `... [Read more...]

Identifying Records in Data Frame A That Are Not Contained In Data Frame B – A Comparison

October 12, 2011 | songpants

Yesterday I launched my first question at Stackoverflow and apparently did a lot of things wrong as I managed to get my question closed wihtin hours I had collected 9 different solutions to the problem and made the mistake to put it all within the original ... [Read more...]


October 12, 2011 | songpants

Hello world, I decided to start blogging a bit to throw my weird R code examples at you ;-) Hope you’ll like it! Greetz, Janko [Read more...]

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