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### Ask for help with indexing a random Gaussian vector (Migrated from community.research.microsoft.com)

shengbo posted on 03-11-2011 4:27 AM hi, I have a naive question about indexing a random Gaussian vector. Imagine that you have ...
| 2 Replies | 1982 Views | Created by Microsoft Research - Friday, June 3, 2011 6:31 PM | Last reply by Microsoft Research - Friday, June 3, 2011 6:32 PM

### BPM vector gaussian (Migrated from community.research.microsoft.com)

anderson replied on 06-14-2010 4:10 PM Sorry, I guess I should've been a bit more clear.  I was referring to this output from your Tutorial 4: Bayes Point ...
| 3 Replies | 2344 Views | Created by Microsoft Research - Friday, June 3, 2011 5:49 PM | Last reply by Microsoft Research - Friday, June 3, 2011 5:50 PM

### Gaussian Mixture (Migrated from community.research.microsoft.com)

John Guiver replied on 03-07-2011 4:11 AM Hi Ali The first line creates a random variable  'weights' whose domain type is Vector. ...
| 1 Replies | 1776 Views | Created by Microsoft Research - Friday, June 3, 2011 6:30 PM | Last reply by Microsoft Research - Friday, June 3, 2011 6:30 PM

### multivariate gaussian approximation (Migrated from community.research.microsoft.com)

w which has a vector Gaussian prior. We try to explain the observed data by calculating the inner product with an input vector and ...
| 1 Replies | 1930 Views | Created by Microsoft Research - Friday, June 3, 2011 5:41 PM | Last reply by Microsoft Research - Friday, June 3, 2011 5:41 PM

### Precision of Vector type (Migrated from community.research.microsoft.com)

John Guiver replied on 01-12-2011 4:39 AM Hi SungChul You are not losing any precision for the in-memory vector. Vectors have double precision. ...
| 1 Replies | 1718 Views | Created by Microsoft Research - Friday, June 3, 2011 6:11 PM | Last reply by Microsoft Research - Friday, June 3, 2011 6:11 PM

### A question about gaussian mixture models (Migrated from community.research.microsoft.com)

observations from a system; but when I started going through the API, I felt quite lost.  Is there an easy starting point to obtain a GMM ...
| 6 Replies | 2539 Views | Created by Microsoft Research - Friday, June 3, 2011 5:19 PM | Last reply by Microsoft Research - Friday, June 3, 2011 5:20 PM

### Gaussian 2D mixture - comparison with VIBES (Migrated from community.research.microsoft.com)

initialisation strategy that gives reasonable results in many cases.  With Infer.NET we chose instead to have a user-specified initialisation, such as the ...
| 3 Replies | 2022 Views | Created by Microsoft Research - Friday, June 3, 2011 4:41 PM | Last reply by Microsoft Research - Friday, June 3, 2011 4:42 PM

### Infer.NET: Missing elements of a vector variable (Migrated from community.research.microsoft.com)

Variable.MatrixTimesVector  factor to get a sub-vector, and work with that.   John
| 4 Replies | 1922 Views | Created by Microsoft Research - Friday, June 3, 2011 4:56 PM | Last reply by Microsoft Research - Friday, June 3, 2011 4:56 PM

### Ask for help with a toy inference problem (Migrated from community.research.microsoft.com)

John Guiver replied on 02-18-2010 5:57 AM Hi Shengbo You will need to use a Gamma for x as you need a random variable whose ...
| 1 Replies | 1781 Views | Created by Microsoft Research - Friday, June 3, 2011 5:34 PM | Last reply by Microsoft Research - Friday, June 3, 2011 5:34 PM

### Question for adding a Wishart prior on a multivariate Gaussian distribution (Migrated from community.research.microsoft.com)

shengbo posted on 03-15-2011 10:50 AM Hi Team, could I ask a question about adding a Wishart prior on the precision matrix for a ...
| 2 Replies | 2444 Views | Created by Microsoft Research - Friday, June 3, 2011 6:34 PM | Last reply by Microsoft Research - Friday, June 3, 2011 6:34 PM

### SharedVariableArray (Migrated from community.research.microsoft.com)

freddycct posted on 10-03-2009 11:50 PM Hi John,  Thanks for your reply how do I convert this array here to a ...
| 1 Replies | 2013 Views | Created by Microsoft Research - Friday, June 3, 2011 5:19 PM | Last reply by Microsoft Research - Friday, June 3, 2011 5:19 PM

### Need help for a Bayesian Network Code (Migrated from community.research.microsoft.com)

freddycct replied on 08-14-2009 9:45 PM Thanks for the help. It is part of a larger system, hence, I only use 1 data point here. But I am not quite sure ...
| 2 Replies | 2249 Views | Created by Microsoft Research - Friday, June 3, 2011 5:17 PM | Last reply by Microsoft Research - Friday, June 3, 2011 5:17 PM

### calculation precision (Migrated from community.research.microsoft.com)

for a similar discussion: http://community.research.microsoft.com/forums/t/4202.aspx
| 2 Replies | 2401 Views | Created by Microsoft Research - Friday, June 3, 2011 5:36 PM | Last reply by Microsoft Research - Friday, June 3, 2011 5:36 PM

### A primary question (Migrated from community.research.microsoft.com)

definition for 'means'. This method returns a random variable of type Vector
| 1 Replies | 2081 Views | Created by Microsoft Research - Friday, June 3, 2011 6:22 PM | Last reply by Microsoft Research - Friday, June 3, 2011 6:22 PM

### Trueskill implementation help (Migrated from community.research.microsoft.com)

doubles for storage, with no type tag required. A type tag is only required if the object is boxed.  We give some overall guidelines ...
| 14 Replies | 4568 Views | Created by Microsoft Research - Friday, June 3, 2011 6:24 PM | Last reply by Nam Doan - Saturday, August 3, 2013 11:34 AM

### problem with Variable.Array<VectorGaussian> (Migrated from community.research.microsoft.com)

VectorGaussian instead of a VariableArray, then I am in trouble for the indexing, as x must be indexed by a range and D by an ...
| 1 Replies | 1832 Views | Created by Microsoft Research - Friday, June 3, 2011 5:17 PM | Last reply by Microsoft Research - Friday, June 3, 2011 5:17 PM

### BPM (Migrated from community.research.microsoft.com)

John Guiver replied on 04-01-2011 10:04 AM This is a constant input whose corresponding weight acts as a bias term to shift decision boundaries away ...
| 1 Replies | 2680 Views | Created by Microsoft Research - Friday, June 3, 2011 6:43 PM | Last reply by Microsoft Research - Friday, June 3, 2011 6:43 PM

### A Basic Case (Migrated from community.research.microsoft.com)

sampled from the 'mean' random variable (a Gaussian), and a precision is sampled from the 'precision' random variable; then ...
| 3 Replies | 2253 Views | Created by Microsoft Research - Friday, June 3, 2011 6:38 PM | Last reply by Microsoft Research - Friday, June 3, 2011 6:38 PM