search for: ifeb

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2009 Nov 29
3
How to z-standardize for subgroups?
...together by hand? But I want to keep the columnnames in the vector? -karsten --------------------------------------------------------------------------------------------- Karsten D. Wolf Didactical Design of Interactive Learning Environments Universit?t Bremen - Fachbereich 12 web: http://www.ifeb.uni-bremen.de/wolf/
2009 May 14
1
Supplying NA or Zeros in dataframe for missing factor combinations
...binations? Is there a way to use unstack or do I have to create the combinations first and then search for each combination within the dataframe and use rbind to add a row with the missing combination and a value of NA or 0? Thanks, karsten --- Karsten D. Wolf Universit?t Bremen http://www.ifeb.uni-bremen.de/wolf
2008 May 14
0
Research assistant at University Bremen, Germany: Timeseries Analysis with R
...---------------------------------------------------- Karsten D. Wolf Prof. Dr. phil. (W1) Didactical Design of Interactive Learning Environments Universit?t Bremen - Fachbereich 12 Postfach 33 04 40 D-28334 Bremen fon: 0421 - 218 69140 fax: 0421 - 218 7219 skype: karsten.d.wolf web: http://www.ifeb.uni-bremen.de/wolf/ (should be online again next week - mainboard!) blog: http://blog.didactalab.de/ mail: wolf at uni-bremen.de Raum: A2130, GW2 Sprechstunde: Mittwoch, 14 - 15 Uhr Sekretariat: Frau von Palubicki Raum A2050, GW2 fon: 0421 - 218 9643
2010 Aug 10
0
How to build R on Mac to keep packages running?
...e runs like a charm now, but when I want to start my R.app, it does not start. Only my R64.app is starting, but not all packages are running with R64.app. Where can I find the magic configure-charms used to configure and build R for the Mac platform? Yours, Karsten === Karsten D. Wolf http://www.ifeb.uni-bremen.de/wolf