I think DSW_jaccard_matrix is a matrix of similarity (which is what Jaccard
usually means) not of dissimilarity. Try negating it before MDS.
On 3 March 2015 at 20:07, Jean-Baptiste Pressac <
jean-baptiste.pres...@univ-brest.fr> wrote:
> Hello,
> I tried to reproduce the analysis of events co-attended by woman via
> manifold MDS (shared on IPython Notebook)
> <http://nbviewer.ipython.org/github/JBPressac/MDS-of-DGG/blob/master/Davis%20Southern%20Women%20MDS%20of%20Jaccard%20coefficient.ipynb>,
> but the MDS does not reflects the data. I certainly did something wrong,
> but I could'nt figure out how to do a proper MDS. Any clue would be
> appreciated.
> Thanks,
>
> --
> Jean-Baptiste Pressac
>
> Traitement et analyse de bases de données
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>
>
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