Difference between revisions of "Holcombe:ProgrammingInR"

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Line 7: Line 7:
 
  head(datos)
 
  head(datos)
 
  str(datos)
 
  str(datos)
 +
 +
Don't use the function ''attach''. It seems to leave lots of data in the 'environment' that can cause problems later.

Revision as of 23:27, 29 April 2008

Members

Alex Holcombe
Polly Barr
• Charlie Ludowici
• Kim Ransley
• Ingrid Van Tongeren
William Ngiam
Fahed Jbarah
• Patrick Goodbourn
Alumni



Technical

Skills Checklist
Python Programming
Psychopy/VisionEgg Installation Notes
R analysis,plot,stats
Statistics
Buttonbox
Buttonbox with photocell
Programming Cheat Sheets



R reference cheatsheet

Examining your data matrix or object, let's say it's called datos

head(datos)
str(datos)
Don't use the function attach. It seems to leave lots of data in the 'environment' that can cause problems later.