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# Questions tagged [discriminative-models]

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### How are the MLE/MAP distinction and the generative/discriminative distinction related?

What is the relationship between Maximum Likelihood Estimation versus Maximum A Posteriori Estimation and generative modeling versus discriminative modeling? Is MLE an example of a generative model ...
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1 vote
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### How to balance PCA and LDA in subspace learning?

PCA is a generative model, by which input images or data can be reconstructed. LDA (Linear Discriminant Analysis) is a discriminative model, which extracts better features for classification. How to ...
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### Why are LLMs generative models [duplicate]

According to Wikipedia: A generative model is a statistical model of the joint probability distribution $P ( X , Y )$ on given observable variable $X$ and target variable $Y$; A discriminative model ...
• 403
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### Why Logistic Regression is not a generative model?

I was reading about the difference between discriminative and generative models, and I read that Discriminative models learn only the boundary between classes hence they are not able to to create new ...
• 185
7 votes
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### Discrimination/Slope Item Response Theory Models

In item response theory (IRT), 1-PL models, which include a slope parameter in addition to the intercept parameter, are better able to discriminate test-taker talent. Higher slopes translate to ...
• 3,382
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2 answers
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### Why generative models are better at detecting outliers?

I've read somewhere that generative models are better than discriminative ones to detect outliers in our dataset—why is that true? I think its somehow related to decision boundaries and ...
• 125
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### Is k-means a generative model and how could it be used to generate new data then?

In today's lecture we learnt that k-means would be generative model. I am really puzzled on this because in my intuition it would be more a discriminative model since there is no probability to ...
6 votes
1 answer
1k views

### Are text generation models generative or discriminative?

I've recently been studying generative and discriminative models, and I had a question regarding text generation. I'm aware that generative models model $P(X, Y)$ and discriminative models model \$P(Y |...
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