tut13

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Last edited Feb 13, 2020

Created on Feb 13, 2020

This visualization shows the correlation structure of the Ozone dataset through a scatterplot matrix, with each pair of variables plotted against one another and histograms displayed along the diagonal. The code uses the R package PerformanceAnalytics, specifically the `chart.Correlation` function, which renders the matrix with histogram panels and adds correlation coefficients. The `pch=19` argument sets solid circle points, while `histogram=TRUE` includes density curves on the diagonal. The example relies on base R plotting mechanisms rather than custom graphics APIs, drawing directly from the Ozone data frame to illustrate pairwise relationships and distributions.

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