Meetup Group Evaluation and Recommender System

Houwei Cao, Insight Data Science Fellow

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Group Quality

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Based on the fraction of the repeat-visit user! Low quality: no member repeat-visit 3 times or more in the past year! Median quality: less than 5% user repeat-visit 3 times or more in the past year! High quality: more than 5% user repeat-visit 3 times or more in the past year

No repeat visit user

>5% repeat visit user

<5% repeat visit user

Model Story

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Precision Recall F-Measurelow quality 0.991 0.95 0.97median quality 0.881 0.907 0.893high quality 0.865 0.859 0.862

Prediction by Random Forest model

Top 5 Features

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About me

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! PhD in Speech Recognition

! Postdoc in Multimodal emotion recognition, sentiment analysis

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Correlation among Features

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demo

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