2.2 - Python Implementation
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Practice Questions
Test your understanding with targeted questions
What is the formula for a simple linear regression?
💡 Hint: Think about the elements that make up the regression equation.
What does R² score indicate?
💡 Hint: Consider how well the model explains variation.
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Interactive Quizzes
Quick quizzes to reinforce your learning
What is the formula for simple linear regression?
💡 Hint: Recall how we expressed the relationship in the section.
Is R² score used to assess model performance?
💡 Hint: Think about how we measure a model's effectiveness.
1 more question available
Challenge Problems
Push your limits with advanced challenges
Given a dataset with years of experience, education level, and salary, write a complete Python script for a multiple linear regression model. Interpret your results.
💡 Hint: Use pandas for data handling and sklearn for model fitting.
If a scatter plot indicates a curve rather than a straight line pattern, what does that imply about linear regression assumptions? Suggest alternative methods you could use.
💡 Hint: Reflect on how non-linear relationships might need different modeling approaches.
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