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Exercise

Scatterplots for multiple pairs of data

In the previous exercise, you saw a numerical representation of the relationship between pairs of data through a correlation matrix. It's also possible to have a graphical representation of those relationships using scatterplots.

Specifically, the relationship between pairs() of time series is represented by a facetted scatterplot of all pairs at once. This is very convenient for a quick comparison between pairs of time series.

In this exercise, you will draw scatterplots of the stock data in my_data from the previous exercise.

Instructions

100 XP
  • Draw the scatterplots for all possible pairs in my_data
  • Remove the lower triangle of the scatterplot matrix by setting the lower.panel argument to NULL