Re: [R] Jaccard dissimilarity matrix for PCA

2010-12-28 Thread Flabbergaster
This sounds like something I could use.. I'm kind of new with R, meaning I've having some minor troubles all the time... Say I have a range of binary(0,1) variables X1 to Xn, with missing data for different cases. At the moment my data is a binary indicator matrix; rows representing the i individu

[R] Jaccard dissimilarity matrix for PCA

2010-12-28 Thread Flabbergaster
Hi I have a large dataset, containing a wide range of binary variables. I would like first of all to compute a jaccard matrix, then do a PCA on this matrix, so that I finally can do a hierarchical clustering on the principal components. My problem is, that I don't know how to compute the jaccard