[Steve Schulin]

The fortran code Mann et al 1998 used to prepare the tree ring data for PCA is available at:

ftp://holocene.evsc.virginia.edu/pub/MBH98/TREE/ITRDB/NOAMER/pca-noamer.f

As for the PCA itself, Mann et al just say it's conventional, without mentioning any particular software.

[grey_whiskers]

The fortran code Mann et al 1998 used to prepare the tree ring data for PCA is available at:

ftp://holocene.evsc.virginia.edu/pub/MBH98/TREE/ITRDB/NOAMER/pca-noamer.f

As for the PCA itself, Mann et al just say it's conventional, without mentioning any particular software.

G'rrr. It figures. Well, at least I can download the code and make it run twice as fast ;-)