On Wed, 2012-11-07 at 21:46 -0500, Andrew Warshall wrote: > Gnumeric 1.10.17 seems to be having trouble doing principal components > analysis. On some (but not all) datasets, it produces a > reasonable-looking (and apparently symmetric) covariance matrix, but > the eigenvalues and eigenvectors are all "#NUM!", which (if I > understand your documentation correctly) means the matrix it was trying > to diagonalize (in this case the covariance matrix) was not in fact > symmetric. What am I missing?
There can also be rounding issues that may not allow us to calculate eigenvectors and eigenvalues. Perhaps you could provide a sample file where things fail that you think should not, by filing an appropriate bug report at bugzilla.gnome.org Andreas -- Andreas Guelzow <[email protected]> _______________________________________________ gnumeric-list mailing list [email protected] https://mail.gnome.org/mailman/listinfo/gnumeric-list
