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13 Great Articles and Tutorials about Correlation

• Tutorial: How to detect spurious correlations - and how to find the real ones
• How to find out if it's correlation or causation 
• Correlation does not imply causation 
• Correlation and R-Squared for Big Data 
• Spurious correlations: 15 examples 
• How to Lie with Visualizations - Statistics, Causation vs Correlation
• Associations and Correlations: The Essential Elements - Book
• Examining correlation 
• The best kept secret about linear and logistic regression 
• Excluding variables from a logistic regression model - based on correlation
• Another book about correlation vs. causation 
• High crime rates explained by gasoline lead. Really? 
• Comparing Copulas and Rank Order Correlation 

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Examples of correlation, from -1 to +1

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