Displaying 2 results from an estimated 2 matches for "corame".
2009 Jul 29
4
- counting factor occurrences within a group: tapply()
Dear List,
I'm an [R] novice starting analysis of an ecological dataset containing the
basal areas of different tree species in a number of research plots.
Example data follow:
> Trees<-data.frame(SppID=as.factor(c(rep('QUEELL',2), rep('QUEALB',3),
'CORAME', 'ACENEG', 'TILAME')), BA=c(907.9, 1104.4, 113.0, 143.1, 452.3,
638.7, 791.7, 804.3), PlotID=as.factor(c('BU3F10', rep('BU3F11',2),
rep('BU3F12',5))))
> Trees
SppID BA PlotID
1 QUEELL 907.9 BU3F10
2 QUEELL 1104.4 BU3F11
3 QUEALB 113....
2007 Feb 01
1
Affymetrix data analysis
Hi,
I am trying to read in my Affymetrix CEL files (48 files, total ~600 MB) but
I keep getting memory errors. Can somebody please help me with this. Or is
therea remote server I can send my data to for computation?
Any help is much appreciated.
Thanks
Dr. Tristan Coram
Postdoctoral Research Associate
Research Plant Pathologist/Geneticist
United States Department of