Supervised machine learning

Data Science per il Business

Ramnath Vaidyanathan

VP of Product Research, DataCamp

What is supervised machine learning?

  • Machine learning: Predictions from data
  • Supervised machine learning: Predictions from data with labels and features
    • Recommendation systems
    • Email subject optimization
    • Churn prediction
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Case study: churn prediction

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Case study: churn prediction

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Data Science per il Business

Case study: churn prediction

supervised-learning-3.jpg

Data Science per il Business

Case study: churn prediction

supervised-learning-4.jpg

Data Science per il Business

Case study: churn prediction

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Data Science per il Business

Case study: churn prediction

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Data Science per il Business

Case study: churn prediction

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Recap

  • Make a prediction based on data
  • Data has features and labels
    • Label: what we want to predict
    • Features: data that might predict the label
  • Trained model can make predictions
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Model evaluation

Split historical data into training and testing sets

accuracy.jpg

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Model evaluation

Prediction Reality
Churn 0% 3%
Remain 100% 97%
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Let's practice!

Data Science per il Business

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