Supervised machine learning

Data Science for 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

Case study: churn prediction

Case study: churn prediction

Case study: churn prediction

Case study: churn prediction

Case study: churn prediction

Case study: churn prediction

Case study: churn prediction

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

Model evaluation

Split historical data into training and testing sets

Model evaluation

	Prediction	Reality
Churn	0%	3%
Remain	100%	97%

Let's practice!

Data Science for Business