https://github.com/wellecks/online_lda_python

Online LDA using Hoffman's Python Implementation
https://github.com/wellecks/online_lda_python

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Online LDA using Hoffman's Python Implementation

• Host: GitHub
• URL: https://github.com/wellecks/online_lda_python
• Owner: wellecks
• License: gpl-3.0
• Created: 2014-10-27T01:00:00.000Z (about 10 years ago)
• Default Branch: master
• Last Pushed: 2014-11-14T23:25:27.000Z (about 10 years ago)
• Last Synced: 2024-04-28T04:30:25.917Z (8 months ago)
• Language: Python
• Size: 273 KB
• Stars: 16
• Watchers: 2
• Forks: 6
• Open Issues: 0
• Metadata Files:
  • Readme: README.md
  • License: LICENSE

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README

        
online_lda_python

=================

Online LDA using Hoffman's Python Implementation.

Usage

```bash

$ python online_lda.py -h

usage: online_lda.py [-h] [-o OUTDIR] [-b BATCHSIZE] [-d NUM_DOCS]

                     [-k NUM_TOPICS] [-t TAU_0] [-l KAPPA] [-m MODEL_OUT_FREQ]

                     dataset vocab_file

positional arguments:

  dataset               Input dataset filename.

  vocab_file            Vocabulary filename.

optional arguments:

  -h, --help            show this help message and exit

  -o OUTDIR, --outdir OUTDIR

                        Directory to place output files. (default='')

  -b BATCHSIZE, --batchsize BATCHSIZE

                        Batch size. (default=256)

  -d NUM_DOCS, --num_docs NUM_DOCS

                        Total # docs in dataset. (default=7990787)

  -k NUM_TOPICS, --num_topics NUM_TOPICS

                        Number of topics. (default=100)

  -t TAU_0, --tau_0 TAU_0

                        Tau learning parameter to downweight early documents

                        (default=1024)

  -l KAPPA, --kappa KAPPA

                        Kappa learning parameter; decay factor for influence

                        of batches.(default=0.7)

  -m MODEL_OUT_FREQ, --model_out_freq MODEL_OUT_FREQ

                        Number of iterations interval for outputting a model

                        file. (default=10000)

```

Used in the blog post http://wellecks.wordpress.com/2014/10/26/ldaoverflow-with-online-lda/