Gaël Beck

3 Questions 2 Answers 0 Followers

Questions related from Gaël Beck

Which dissimilarity/similarity measure use after a dimension reduction ( PCA / AutoEncoder / … ) ?

Each problem required its own similarity/dissimilarity measure. Imagine we are dealing with dataset composed with vector of real. I suppose that we mostly use the euclidean distance especially in...

03 February 2018 2,017 2 View

Determine border points of a cluster

My question is as follow. Imagine a random shape cluster of high dimension in an euclidian space, how can i get points which are at the edge of the cluster where edge are defined as segments...

01 August 2017 4,461 1 View

What are internal clustering index for binary data ? And if possible applicable to massive cluster ?

Hi everyone, I was wondering what are the current existing internal clustering index for binary data. I know already the silhouette and Davis Bouldin for euclidian space, i suppose they work as...

02 March 2017 9,244 4 View