Re: [R-sig-Geo] Rotated EOF

2011-01-17 Thread Andy Bunn
If I recall correctly, EOF is equivalent to PCA. Does it use the available PCA functions, prcomp or princomp? Anyway, base R has the function factanal to do varimax. Does your EOF object contain a correlation or covariance matrix? The clim.pact algorithm uses SVD and does not calculate the

[R-sig-Geo] Rotated EOF

2011-01-14 Thread Andy Bunn
Hi all, I'm developing a teaching example doing EOF analysis on global temperature data using the clim.pact library. Does anybody know if there is an existing function to do rotated EOF analysis? E.g., a varimax rotation on an EOF object? Regards, Andy

Re: [R-sig-Geo] Rotated EOF

2011-01-14 Thread Edzer Pebesma
If I recall correctly, EOF is equivalent to PCA. Does it use the available PCA functions, prcomp or princomp? Anyway, base R has the function factanal to do varimax. Does your EOF object contain a correlation or covariance matrix? Hi all, I'm developing a teaching example doing EOF analysis