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lda-project/lda

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1,313 stars·389 forks·Python·MPL-2.0·22 viewslda.readthedocs.io↗

Lda

This project is a statistical library and computational framework designed for topic modeling within large document collections. It functions as a natural language processing toolkit that identifies hidden thematic structures by analyzing word frequency patterns across unstructured text data.

The library employs Latent Dirichlet Allocation to model documents as mixtures of topics and topics as mixtures of words. It utilizes Gibbs sampling and iterative state-space updating to estimate the posterior distribution of latent variables, refining topic assignments until the model reaches statistical convergence.

To handle large-scale datasets, the framework incorporates memory-efficient sparse matrix structures to manage document-term matrices. It provides capabilities for calculating and extracting probability distributions of topics for individual documents and entire collections, while including tools to monitor computational performance during analysis.

Features

  • Latent Dirichlet Allocations - Employs Latent Dirichlet Allocation to model documents as mixtures of topics and topics as mixtures of words.
  • Gibbs Samplers - Implements Gibbs sampling to estimate posterior distributions of latent variables during model inference.
  • Topic Modeling Libraries - Identifies latent thematic structures within document collections by analyzing word frequency patterns using statistical sampling.
  • Natural Language Processing Libraries - Acts as a natural language processing toolkit for analyzing and categorizing unstructured text data into thematic clusters.
  • Iterative State Updates - Refines topic assignments for individual words by repeatedly sampling from conditional distributions until statistical convergence.
  • Topic Distribution Analysis - Calculates the probability distribution of topics for individual documents to reveal their specific thematic composition.
  • Dataset Topic Distributions - Calculates probability distributions of topics for entire collections to reveal the underlying thematic composition of the dataset.
  • Document-Term Matrices - Provides memory-efficient sparse matrix structures to manage document-term frequency data for topic modeling.
  • Sparse Matrix Storage - Incorporates memory-efficient sparse matrix structures to reduce computational overhead when processing massive document collections.

Star history

Star history chart for lda-project/ldaStar history chart for lda-project/lda

How this analysis was created: This summary and feature list were written by an AI model that read the project's README and public documentation pages. Each feature links to the documentation it came from; stars, license and language come straight from the GitHub API. The model does not read the source code, and the analysis is refreshed when the project is re-analysed. Learn more on our About page.

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Frequently asked questions

What does lda-project/lda do?

This project is a statistical library and computational framework designed for topic modeling within large document collections. It functions as a natural language processing toolkit that identifies hidden thematic structures by analyzing word frequency patterns across unstructured text data.

What are the main features of lda-project/lda?

The main features of lda-project/lda are: Latent Dirichlet Allocations, Gibbs Samplers, Topic Modeling Libraries, Natural Language Processing Libraries, Iterative State Updates, Topic Distribution Analysis, Dataset Topic Distributions, Document-Term Matrices.

What are some open-source alternatives to lda-project/lda?

Open-source alternatives to lda-project/lda include: ljpzzz/machinelearning — This project is a machine learning implementation library featuring a collection of code examples that implement… milanlproc/contextualized-topic-models — Contextualized topic modeling is a framework that integrates deep learning architectures with statistical word… piskvorky/gensim — Gensim is a natural language processing toolkit designed for large-scale text analysis and the training of semantic… maartengr/bertopic — BERTopic is a topic modeling library used to extract interpretable themes from collections of text documents and… blei-lab/edward — Edward is a probabilistic programming language and inference engine designed for building deep generative models and… rare-technologies/gensim — Gensim is an unsupervised natural language processing toolkit designed for topic modeling, word embedding training,…

Open-source alternatives to Lda

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Curated searches featuring Lda

Hand-picked collections where Lda appears.
  • Topic Modeling and Text Clustering