Top "Lda" questions

Latent Dirichlet Allocation, LDA, is a generative model that allows sets of observations to be explained by unobserved groups that explain why some parts of the data are similar.

Predicting LDA topics for new data

It looks like this question has may have been asked a few times before (here and here), but it has …

r lda topic-modeling
Supervised Latent Dirichlet Allocation for Document Classification?

I have a bunch of already human-classified documents in some groups. Is there a modified version of lda which I …

machine-learning nlp classification document-classification lda
LDA model generates different topics everytime i train on the same corpus

I am using python gensim to train an Latent Dirichlet Allocation (LDA) model from a small corpus of 231 sentences. However, …

python nlp lda topic-modeling gensim
ImportError: No module named 'sklearn.lda'

When I run classifier.py in the openface demos directory using: classifier.py train ./generated-embeddings/ I get the following error …

python scikit-learn lda
How to predict the topic of a new query using a trained LDA model using gensim?

I have trained a corpus for LDA topic modelling using gensim. Going through the tutorial on the gensim website (this …

python nlp lda topic-modeling gensim
What's the disadvantage of LDA for short texts?

I am trying to understand why Latent Dirichlet Allocation(LDA) performs poorly in short text environments like Twitter. I've read …

nlp lda topic-modeling
Visualizing an LDA model, using Python

I have a LDA model with the 10 most common topics in 10K documents. Now it's just an overview of the …

python data-visualization lda topic-modeling
Export pyLDAvis graphs as standalone webpage

i am analysing text with topic modelling and using Gensim and pyLDAvis for that. Would like to share the results …

python gensim lda topic-modeling
Document topical distribution in Gensim LDA

I've derived a LDA topic model using a toy corpus as follows: documents = ['Human machine interface for lab abc computer …

python lda gensim
Understanding parameters in Gensim LDA Model

I am using gensim.models.ldamodel.LdaModel to perform LDA, but I do not understand some of the parameters and …

python parameters gensim lda