Converting character to factor
Both LOF and isolation forest can be trained using data containing categorical features, but it's easier if these are converted to factors first.
In this exercise, you'll revisit the thyroid data which contains some additional categorical features that will need to be converted.
This exercise is part of the course
Introduction to Anomaly Detection in R
Hands-on interactive exercise
Have a go at this exercise by completing this sample code.
# Print the column classes in thyroid
sapply(X = ___, FUN = ___)