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GMM Metrics/Scores:
1. log_likelihood:
+ve values mean the clusters are very good and -ve values mean the clusters are not that good. However, the log_likelihood doesn't check the complexity of data points.2. AIC: Akaike Information Criterion: for better fitness of the model, it should have a lower value. (Close to zero if there are 2 clusters)3. BIC: Bayesian Information Criterion: for better fitness of the model, it should have a lower value. (Close to zero if there are 2 clusters)
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the important metrics of GMMs are log_likelihood, aic & bic
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