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  3. Visualizing Time Series Data in R

Exercise

Correlation plot

R offers other ways of displaying the correlation matrix. With the corrplot package, the visualization of correlations is made easier and more powerful by allowing you to represent the correlations with numbers, symbols, colors, and more.

In this exercise, you will use the provided correlation matrix cor_mat and the corrplot() function to draw some correlation charts.

Instructions

100 XP
  • Plot the correlation matrix of cor_mat using default settings
  • Change the method to display numbers instead of circles
  • Change the method to display colors instead circles
  • Display only the upper triangle of the correlation matrix using numbers