What Lessons Can We Learn From Anscombe’s Quartet?

What does Anscombe’s quartet teach us about the importance of visualizing data instead of relying on summary statistics when exploring data?Β  Anscombe’s quartet is a set of four datasets that have nearly identical summary statistics but very different visual patterns. This teaches us the importance of visualizing data instead of relying solely on summary statistics […]

How to Interpret Correlation?

Understanding the Interpretation of Correlation πŸ“ŠπŸ” Why can we not say that one thing causes another based on a correlation coefficient or a strong correlation in a scatterplot? πŸ€”πŸ€” While a correlation coefficient or a strong correlation in a scatterplot can suggest a relationship between two variables, we cannot say that one thing causes another […]

What are the Different Types of Correlation Coefficients?

What Are the Different Types of Correlation Coefficients? There are different types of correlation coefficients that measure the strength and direction of the linear relationship between two variables. πŸ“ˆπŸ“‰ πŸ‘‰ Pearson’s correlation coefficient (r) is the most commonly used and measures the degree of linear association between two continuous variables. It ranges from -1 to […]

What is Correlation?

What Is Correlation? Correlation describes the degree of the linear relationship between two variables. πŸ“ˆπŸ“‰ Imagine you’re playing basketball πŸ€, and you notice that the more you practice shooting free throws, the higher your accuracy becomes. That’s an example of a positive correlation between practice and accuracy. As the number of practice sessions increases, so […]