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Building a correlation matrix

Now that you've ranked albums, the strategy team wants to understand which metrics move together. The Spotify dataset has been enriched with streams_billions and streams_per_listener columns. Build a correlation matrix to spot strong and weak relationships between these numeric features.

polars is loaded as pl. The DataFrame spotify with additional columns is preloaded for you.

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100 XP

Pick five numeric columns: streams_billions, monthly_listeners, streams_per_listener, duration_ms, and popularity, and compute the correlation.
Add a metric column to the result for better readability.

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