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Anomaly contours

You now have the key ingredients to produce a contour plot, which is a powerful tool for viewing how the anomaly score varies across the region spanned by the data points.

The wine_grid data from the previous exercise has been preloaded for you to use.

This exercise is part of the course

Introduction to Anomaly Detection in R

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Exercise instructions

  • Use the contourplot() function to generate a contour plot of the score.
  • Ensure that the pH variable is shown on the y-axis and alcohol on the x-axis.

Hands-on interactive exercise

Have a go at this exercise by completing this sample code.

# Contour plot of isolation scores
contourplot(score ~ ___ + ___, ___, region = TRUE)
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