3.4.2 - Seasonal Decomposition Plots
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Practice Questions
Test your understanding with targeted questions
What are the three components of seasonal decomposition?
💡 Hint: Remember the acronym TSR.
What does the trend component represent?
💡 Hint: Think about the long-term behavior of the data.
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Interactive Quizzes
Quick quizzes to reinforce your learning
In seasonal decomposition, what does 'seasonality' refer to?
💡 Hint: Think about the cycles in data that happen regularly.
True or False: Residuals can indicate anomalies in data.
💡 Hint: What do residuals represent?
2 more questions available
Challenge Problems
Push your limits with advanced challenges
Given a time series dataset with a clear yearly sales pattern, describe how you would apply seasonal decomposition and interpret the findings.
💡 Hint: Consider what each component will tell you about overall business performance.
If a decomposition plot shows an increasing trend with strong seasonality but high residuals, what actions might a data analyst take?
💡 Hint: Focus on how to improve accuracy in seasonally driven environments.
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