You notice that your KNN model is highly sensitive to outliers. What might be causing this, and how could the choice of K and distance metric help in alleviating this issue?

  • Choose a larger K and an appropriate distance metric to mitigate sensitivity
  • Choose a small K and ignore outliers
  • Focus only on the majority class
  • Outliers have no effect
Choosing a larger K and an appropriate distance metric can help mitigate the sensitivity to outliers, as it would reduce the influence of individual data points.
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