Re: MultivariateNormalMixtureExpectationMaximization only 1 dimension

2024-03-04 Thread Craig Brautigam
Forgive me if this comes in twice... I did not subscribe first before sending the message below. From: Craig Brautigam Sent: Monday, March 4, 2024 1:33 PM To: user@commons.apache.org Subject: MultivariateNormalMixtureExpectationMaximization only 1 dimension Hi

MultivariateNormalMixtureExpectationMaximization only 1 dimension

2024-03-04 Thread Craig Brautigam
Hi, Full disclosure, I'm not a mathematician so I can not go into the weeds into the math. However I am tasked with porting some matlab code that is doing gaussian mixed model to java. I really want to use apache common math if possible. However the code that I'm porting has 1 dimension ( a

Re: [External] - Re: MultivariateNormalMixtureExpectationMaximization only 1 dimension

2024-03-04 Thread Craig Brautigam
en in assuming that because you require 2 components to have a mixture model then you must have 2 columns in the input data. However this is not true. You can fit single dimension data with a mixture of single Gaussians. Is this the functionality that you are expecting? Regards, Alex On Mon, 4

Re: [External] - Re: MultivariateNormalMixtureExpectationMaximization only 1 dimension

2024-03-05 Thread Craig Brautigam
gt; Array2DRowRealMatrix{{1.8940290549}} > > The numbers are close enough to indicate that the fit is valid. > > I think the error has been in assuming that because you require 2 > components to have a mixture model then you must have 2 columns in the > input data. However this is not

Re: [External] - Re: MultivariateNormalMixtureExpectationMaximization only 1 dimension

2024-03-07 Thread Craig Brautigam
ecause you require 2 > components to have a mixture model then you must have 2 columns in the > input data. However this is not true. You can fit single dimension data > with a mixture of single Gaussians. > > Is this the functionality that you are expecting? > > Regards, > &g

Re: [External] - Re: MultivariateNormalMixtureExpectationMaximization only 1 dimension

2024-03-11 Thread Craig Brautigam
Just bumping this up...Would it be possible to get a fix for this? Thx! From: Craig Brautigam Sent: Thursday, March 7, 2024 2:47 PM To: Commons Users List Subject: Re: [External] - Re: MultivariateNormalMixtureExpectationMaximization only 1 dimension Alex

Re: [External] - Re: MultivariateNormalMixtureExpectationMaximization only 1 dimension

2024-03-11 Thread Craig Brautigam
t way to address an issue you care about is to provide a PR in GitHub, with a unit test 😉 Gary On Mon, Mar 11, 2024, 2:06 PM Craig Brautigam wrote: > Just bumping this up...Would it be possible to get a fix for this? > > > Thx! > > > ____ >

Re: [External] - Re: MultivariateNormalMixtureExpectationMaximization only 1 dimension

2024-03-11 Thread Craig Brautigam
outside of the organization. Do not click links or open attachments unless you recognize the sender and know the content is safe. On Mon, 11 Mar 2024 at 18:06, Craig Brautigam wrote: > Just bumping this up...Would it be possible to get a fix for this? > You are requesting the estimate m

Re: [External] - Re: MultivariateNormalMixtureExpectationMaximization only 1 dimension

2024-03-11 Thread Craig Brautigam
@gmail.com. Learn why this is important at https://aka.ms/LearnAboutSenderIdentification ] CAUTION: This email originated from outside of the organization. Do not click links or open attachments unless you recognize the sender and know the content is safe. On Mon, 11 Mar 2024 at 20:58, Craig