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I recently encountered an issue with multilevLCA that I suspect may be related to the latest package update. Until a couple of days ago, running multilevLCA 2.0.1 locally on RStudio worked like a ...
2 votes
1 answer
121 views

I'm trying to develop a mixture of genextreme distributions in Scipy using the following code. from scipy.stats import genextreme from scipy.stats import Mixture eva_1 = {'c': -0.48, 'loc': 38.82, '...
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72 views

I want to do mixture analysis with qgcomp, but I have missing data on some of the covariates, including a couple that I have to use to create another variable (e.g., I have missing data on weigth and ...
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1 answer
63 views

I would like to know if the concomitant variables in mixture regression models need to be uncorrelated and, in case, why and how to handle possible correlation between them. I am asking a theoretical ...
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482 views

My data frame filtered_gmmdf_long (long format) has no NA. It contains the variables ID, time (i.e. 0, 3, 8, 15, 25), and wblv (continuous, approximately Normal distributed). Sample data library(dplyr)...
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1 answer
61 views

I have to represent with ggplot a mixture of 3 Poissons and superimpose the density of the components but it doesn't work. Every time ggplot is either empty or flat. I tried this method and one where ...
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1 answer
455 views

R has lots of support for Finite Mixture Models, as well as specialized packages for more specific Mixture Models for approaches such as Latent Class Mixed Models (lcmm package) and Growth Mixture ...
JElder's user avatar
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1 vote
0 answers
224 views

I am trying detect the number of modes in a variable in R. My variable was collected in a survey on a 1-7 scale which is why I want to fit mixtures of truncated Gaussian distributions. I am struggling ...
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1 answer
299 views

I am using scikit's General Mixture Model to fit some data, but I would like to define the initial centroids of each cluster manually. The scikit learn documentation states: There is a choice of four ...
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110 views

I have a dataset where many but not all of my data seems to have a bivariate distribution. I can perform a mixture model for each group in the dataset, but I'd like to know how to test if a univariate ...
tnt's user avatar
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299 views

I would like to write R code to build the dirichlet mixture model. The loglikelihood I used for the beta distribution is as below: LL(α,β)=(α−1)nlnxi ̄+(β−1)nln(1−xi) ̄+nlnΓ(α+β)−nlnΓ(α...
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895 views

I've created a Gaussian Mixture Model in Python with 11 components based on 8-dimensional data (I picked 11 components because that's what minimized the BIC score). I now have a test sample of data (...
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2 answers
83 views

I have about 88 columns in a pandas dataframe. I'm trying to apply a formula that calculates a single value for each column. How do I switch out the name of each column and then build a new single-row ...
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1 answer
43 views

This is my first post so I apologize for any formatting issues. I'm trying to calculate the expected value of a collection of numbers in Julia, given a probability distribution that is the mixture of ...
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139 views

I want to use mixture copula for reliability analysis, now ,with the help of a friend ,I've already finished it ‘RVMs_fitted’ 。now i want to perform the probability integral transformation (PIT),but ...

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