New Package Released: PTAk

Didier Leibovici didier at
Tue Apr 24 12:36:45 CEST 2001

PTAk_1.1-1 ( Principal Tensor Analysis on k modes) has been released on
            A multiway method to decompose a tensor (array) of any
             as a generalisation of SVD also supporting non-identity
metrics and penalisations.
             2-way SVD with these extensions is also available. The
package includes also some other multiway
             methods: PCAn (Tucker-n) and PARAFAC/CANDECOMP with these

please send comments
+ looking for nice not too big multi-arrays for the next release demos

  Didier G. Leibovici    didier at    +44 (0)1865 222 739
Image Analysis Group                          fax:+44 (0)1865 222 717
Oxford University, Centre For Functional Magnetic Resonance Imaging of
the Brain (FMRIB), John Radcliffe Hospital, Headington, Oxford OX3 9DU,

r-announce mailing list -- Read
Send "info", "help", or "[un]subscribe"
(in the "body", not the subject !)  To: r-announce-request at

More information about the R-announce mailing list