Questions tagged [gmm]

For questions about Gaussian mixture models (GMMs).

For questions about Gaussian mixture models (GMMs).

199 questions
1
vote
1 answer

How to get Mean and Covariance value from pomegranate Gaussian Mixture model

In the scikit learn Gaussian mixture model we can get mean and covariance by clf = GaussianMixture(n_components=num_clusters, covariance_type="tied", init_params='kmeans') for i in range(clf.n_components): cov=clf.covariances_[i] …
iforcebd
  • 87
  • 11
1
vote
0 answers

Mclust (GMM) graphics are too tiny (matrix of graohics)

It's just that I'm trying to know the number of clusters when I make use of GMM method in a dataset (specifically the dataset of asteroids of nasa) but I can't get to understand how to plot every graphic by themself and not in a matrix For example…
1
vote
0 answers

How to use pgmm function from R package plm

I am trying to use a System Gmm for the first time and am really unsure how to use it properly. I have a categorial dependent variable y and a categorial independent variable x of a panel model. I try to account for reversed causality and want to…
preisenor
  • 31
  • 1
  • 2
1
vote
1 answer

Function for estimation of Gaussian Mixture Model with fixed means in python?

Is there a function for estimation of GMM model with fixed means? So far I have found only sklearn.mixture.GaussianMixture which however takes only initial means, but AFAIK can not fix the means. Is there any alternative?
pikachu
  • 690
  • 1
  • 6
  • 17
1
vote
0 answers

how to use GMM on sentinel2 image?

** I am working on sentinel images and when I apply the GMM on those images I got an error while reshaping the image I tried this code: import numpy as np import matplotlib.pyplot as plt from sklearn.mixture import GaussianMixture as GMM samples =…
1
vote
0 answers

Monophone vs triphone in HMM

In speech recognition how monophone is represented differently from triphone in HMM? Monophone is assumed to be context-independent and triphone is context dependent. But in HMM states are chained so doesn't it mean that even monophone is…
Naveen Gabriel
  • 679
  • 2
  • 9
  • 25
1
vote
0 answers

How to resolve and issue on training GMM -HMM for speech recognition?

I am working on coice recognition study , i converted a voice data set to LSF (line spectrale frequency) by decoding file coded by amr-wb (G722.2) , i build a dataset with files of 16 vectors of ISF/LSF at each frame . i used a python code well…
1
vote
0 answers

Access the members of the clusters formed by GMM in python

I am new to Python and GMM. I am trying to cluster a text document. I followed the instructions given in this link to perform GMM clustering. https://www.kaggle.com/dfoly1/gaussian-mixture-model/data I got the visual view of the clusters. I am…
1
vote
1 answer

How to obtain GMM cluster information from model prediction?

I built a GMM model and used this to run a prediction. bead = df['Ce140Di'] dna = df['DNA_1'] X = np.column_stack((dna, bead)) # create a 2D array from the two lists #plt.scatter(X[:,0], X[:,1], s=0.5, c='black') #plt.show() gmm =…
startswithH
  • 309
  • 4
  • 14
1
vote
0 answers

Poor GMM fit in sklearn from 2 gaussian

I want to fit a 2 component mixture model with sklearn for then calculating back posterior probability. Butwith the code I have so far the fit for one of the two distributions is perfect (overfitting?) and other one is very poor. I made a dummy…
D.A.
  • 140
  • 1
  • 12
1
vote
0 answers

LinAlgError Singular matrix for scipy.stats.multivariate_normal

I am trying to implement the code for GMM manually following the guide at this link for another dataset with text messages. I am getting a LinAlgError because of singular matrix when calculating probability density function. Cannot find out where I…
1
vote
2 answers

Gaussian Mixture Models for pixel clustering

I have a small set of aerial images where different terrains visible in the image have been have been labelled by human experts. For example, an image may contain vegetation, river, rocky mountains, farmland etc. Each image may have one or more of…
HuckleberryFinn
  • 1,489
  • 2
  • 16
  • 26
1
vote
0 answers

Got an error during speaker-adaptation with sidekit

I'm trying to implement the speaker-adaptation of UBM using sidekit when I got following error. Exception: show enroll/something.wav is not in the HDF5 file I got two files "enroll" and "test" under the file "feat" which contains respectively…
yingzhi
  • 31
  • 6
1
vote
0 answers

Plotting different mixture model clusters in the same curve

I have two sets of data, one representing a healthy data set having 4 variables and 11,000 points and another representing a faulty set having 4 variables and 600 points. I have used R's package MClust to obtain GMM clustering for each data set…
sumitpal0593
  • 194
  • 1
  • 3
  • 18
1
vote
0 answers

Using python's model in kotlin

I want to create android application that use GMM model.I already train it on python so I want to know that is it possible use model that I already train in kotlin.