Tools that let you quickly ask for summaries of many variables, and get the summaries all at once. Bar charts and histograms are often included in the output.

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Chart matrix

The output is a grid (matrix) of small bar charts and histograms, so you can review many data distributions quickly.

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Scatterplot matrix

A grid of small scatterplots. Each small graph shows the relationship for a single pair of variables (usually uses continuous variables). You input a list of variables, and the scatterplot matrix shows you every possible pairing.