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A bar chart is a graphical representation that shows the relative sizes or frequencies of different categories or values.

Hierarchical clustering is an algorithm that groups similar data points together based on their distance or similarity.

A crosstab is a type of table that displays the relationship between two or more variables.

The return to in-person engagements is providing valuable dimensions to the insights industry.

A correlation matrix is a table that shows the correlation coefficients between a set of variables.

Residuals are the differences between a dependent variable's observed values and those predicted by a statistical model.