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2 changes: 1 addition & 1 deletion 2-svd-nmf-topic-modeling.ipynb
Original file line number Diff line number Diff line change
Expand Up @@ -104,7 +104,7 @@
"cell_type": "markdown",
"metadata": {},
"source": [
"- [Data source](http://scikit-learn.org/stable/datasets/twenty_newsgroups.html): Newsgroups are discussion groups on Usenet, which was popular in the 80s and 90s before the web really took off. This dataset includes 18,000 newsgroups posts with 20 topics.\n",
"- [Data source](https://scikit-learn.org/stable/datasets/index.html#newsgroups-dataset): Newsgroups are discussion groups on Usenet, which was popular in the 80s and 90s before the web really took off. This dataset includes 18,000 newsgroups posts with 20 topics.\n",
"- [Chris Manning's book chapter](https://nlp.stanford.edu/IR-book/pdf/18lsi.pdf) on matrix factorization and LSI \n",
"- Scikit learn [truncated SVD LSI details](http://scikit-learn.org/stable/modules/decomposition.html#lsa)\n",
"\n",
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