{"id":24607629,"url":"https://github.com/adrianmarino/knn-cf-rec-sys","last_synced_at":"2026-05-08T15:01:28.897Z","repository":{"id":89013059,"uuid":"466550671","full_name":"adrianmarino/knn-cf-rec-sys","owner":"adrianmarino","description":"Similarity CF based RecSys examples","archived":false,"fork":false,"pushed_at":"2022-05-30T22:20:49.000Z","size":1562,"stargazers_count":0,"open_issues_count":0,"forks_count":0,"subscribers_count":2,"default_branch":"master","last_synced_at":"2025-09-07T04:39:07.618Z","etag":null,"topics":["python","recommender-system","scikit-learn"],"latest_commit_sha":null,"homepage":"","language":"Jupyter 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returned=1 errno=0 peeraddr=140.82.121.6:443 state=error: unexpected eof while reading","robots_txt_status":"success","robots_txt_updated_at":"2025-07-24T06:49:26.215Z","robots_txt_url":"https://github.com/robots.txt","online":false,"can_crawl_api":true,"host_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub","repositories_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories","repository_names_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repository_names","owners_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/owners"}},"keywords":["python","recommender-system","scikit-learn"],"created_at":"2025-01-24T17:39:09.806Z","updated_at":"2026-05-08T15:01:28.890Z","avatar_url":"https://github.com/adrianmarino.png","language":"Jupyter Notebook","funding_links":[],"categories":[],"sub_categories":[],"readme":"# Collaborative filtering KNN based recommendation systems\n\nSimilarity collaborative filtering based RecSys.\n\n[Notebook](https://github.com/adrianmarino/cf-rec-sys-examples/blob/master/notebooks/knn-cf-rec-sys.ipynb)\n\n## Sources\n\n* **Collaborative filtering**\n    * [Medium: Collaborative Filtering based Recommendation Systems exemplified..](https://towardsdatascience.com/collaborative-filtering-based-recommendation-systems-exemplified-ecbffe1c20b1)\n    * This project is base in: [CF Recommendation System-Examples.ipynb](https://github.com/csaluja/JupyterNotebooks-Medium/blob/master/CF%20Recommendation%20System-Examples.ipynb)\n* **Metrics**\n    * [Precision@k: The Overlooked Metric for Fraud and Lead Scoring Models](https://towardsdatascience.com/precision-k-the-overlooked-metric-for-fraud-and-lead-scoring-models-fabad2893c01)\n    * [Popular evaluation metrics in recommender systems explained](https://medium.com/qloo/popular-evaluation-metrics-in-recommender-systems-explained-324ff2fb427d)\n    * [How mean Average Precision at k (mAP@k) can be more useful than other evaluation metrics](https://medium.com/@misty.mok/how-mean-average-precision-at-k-map-k-can-be-more-useful-than-other-evaluation-metrics-6881e0ee21a9)\n\n## Getting started\n\n**Step 1**: Clone repo.\n\n```bash\n$ git clone https://github.com/adrianmarino/knn-cf-rec-sys.git\n$ cd knn-cf-rec-sys\n```\n\n**Step 2**: Create environment.\n\n```bash\n$ conda env create -f environment.yml\n```\n\n## Open notebooks locally\n\n**Step 1**: Enable project environment.\n\n```bash\n$ conda activate knn-cf-rec-sys\n```\n\n**Step 2**: Under project directory boot jupyter lab.\n\n```bash\n$ jupyter lab\n\nJupyter Notebook 6.1.4 is running at:\nhttp://localhost:8888/?token=45efe99607fa6......\n```\n\n**Step 3**: Go to http://localhost:8888.... as indicated in the shell output.\n","project_url":"https://awesome.ecosyste.ms/api/v1/projects/github.com%2Fadrianmarino%2Fknn-cf-rec-sys","html_url":"https://awesome.ecosyste.ms/projects/github.com%2Fadrianmarino%2Fknn-cf-rec-sys","lists_url":"https://awesome.ecosyste.ms/api/v1/projects/github.com%2Fadrianmarino%2Fknn-cf-rec-sys/lists"}