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## Changes made in the different version of the software## v 1.22 vs. 1.21Changes in functions:cca.m.
- The new Matlab7 gave an error in
`cca.m` for v1.21 due to a name space conflict that Matlab6 tolerated. This is now corrected by renaming vaiable`error` into`error_` .
## v 1.21 vs. 1.2Changes in functions:rindex, icassoCluster, icassoProjection, icassoSimilarity (removed), sim2dis2 (removed), sqrtsim2dis (new), icassoGraph, icassoShow
## Highlights- A bug in computing the R-index (relative clustering validity index) has been corrected. (Furthermore, R-index is now computed only up to the (reduced) data dimension by default.)
- Similarity computations are now made in
`icassoCluster` . Consequently,`icassoSimilarity` is removed. Input argument syntax of`icassoCluster` has been changed and it has several new parameters, e.g., the method for computing the similarities and dissimilarities. - Input argument syntax of
`icassoProjection` has been slightly changed. - Subfunction
`sim2dis2` is replaced with`sqrtsim2dis`
## Details and other changesR-indexFunction `rindex` has now been corrected. There was a bug in
computing the R-index. While the old version of `rindex`
was somewhat reasonably indicating the proper number of clusters, it
was still computed differently than what is in the equation of the
publication (Himberg et al. 2004).
By default, R-index is now computed up to the (reduced) data dimension. You can still specify larger values explicitly.
CCA now uses 75 epochs by default (old 40)
The plot title now shows the projection method that is used.
webmaster@www.cis.hut.fi Wednesday, 26-Oct-2005 16:36:02 EEST |