insight demo houwei cao
TRANSCRIPT
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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