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Visualizing the hashing

It is often helpful to look at a visual representation of your data. The baked tibble is loaded with the hash indexes representing the EducationField factor. You can explore all or a portion of this dataset as a matrix to identify patterns or detect potential errors.

The plot.matrix package has already been loaded for you.

This exercise is part of the course

Feature Engineering in R

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Exercise instructions

  • Convert the baked tibble to a matrix.
  • Plot the attrition_hash matrix.

Hands-on interactive exercise

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

# Convert the baked tibble to a matrix
attrition_hash <- ___(baked)[1:50,] 

# Plot the attrTheTition_hash matrix
___(attrition_hash, 
     col = c("white","steelblue"), 
     key = NULL,
     border = NA)
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