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  3. Introduction to Anomaly Detection in R

Exercise

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.

Instructions 1/3

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  • Use the function sapply() to print the classes of all columns in the thyroid data