You are faced with a multi-class classification problem. How would the choice of K and distance metric affect the KNN algorithm's ability to differentiate between the classes?

  • Choice of K affects precision, distance metric affects generalization
  • Choice of K affects recall, distance metric affects speed
  • Choice of K and distance metric carefully affects differentiation between classes
  • It has no effect
The careful selection of K and distance metric can greatly affect the KNN algorithm's ability to differentiate between classes in multi-class classification.
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