Re: [Scikit-learn-general] clustering large data sets

2015-06-18 Thread Vince Fernando
What is the rate of convergence of the hebbian algorithm? It appears to be another incarnation of a classical algorithm used by numerical linear algebraist. On 18 June 2015 at 15:34, Kyle Kastner wrote: > Another citation for hebbian approach - it is related to this > http://onlinelibrary.wiley.

[Scikit-learn-general] clustering large data sets

2015-06-18 Thread Vince Fernando
What is best routine in scikit-learn (or elsewhere) for clustering large data sets such as MNIST? I asked a similar question last year but would like to hear an update. -- ___ Sci

[Scikit-learn-general] Clustering the MNIST

2014-04-25 Thread Vince Fernando
What is the best (efficient,accurate) algorithm to cluster the MNIST training set which has 60,000 records using scikit-learn? Has anybody done it? vince fernando -- Start Your Social Network Today - Download eXo Platform

Re: [Scikit-learn-general] spectral clustering with discretize option

2013-02-01 Thread Vince Fernando
Could you give me a reference for the "discrete option" in spectral clustering? vince On 31 January 2013 13:58, Olivier Grisel wrote: > 2013/1/31 Gael Varoquaux : > > On Thu, Jan 31, 2013 at 08:17:02AM -0500, Satrajit Ghosh wrote: > >> the problem that this causes is in comparing clusters from

Re: [Scikit-learn-general] K means on a sphere

2013-01-24 Thread Vince Fernando
Are there any theoretical problems if one uses the great circle (orthodromic) distance on a sphere in k-means or any other clustering algorithm? vince On 24 January 2013 07:11, Mathieu Blondel wrote: > On Thu, Jan 24, 2013 at 9:24 AM, Gael Varoquaux > wrote: > > > Yes, there is a massive diffe

[Scikit-learn-general] clustering

2012-10-24 Thread Vince Fernando
Hi, What is the biggest (in terms of number of samples) clustering (or bisection) problem which has been solved? What is the method of choice for large (say, > 5000) problems? vince -- Everyone hates slow websites. So do