Data Visualization
In the context of statistics and data analysis, 'r' represents the correlation coefficient, a numerical measure that indicates the strength and direction of a linear relationship between two variables. This value ranges from -1 to 1, where -1 indicates a perfect negative correlation, 1 indicates a perfect positive correlation, and 0 indicates no correlation at all. Understanding 'r' is crucial for interpreting various visualizations, as it provides insight into how closely related two data sets are, impacting methods like box plots, clustering techniques, and descriptive statistics.
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