What is a limitation of using K-Means for clustering?

Practice Questions

Q1
What is a limitation of using K-Means for clustering?
  1. It can only cluster numerical data
  2. It assumes clusters are of equal size and density
  3. It is not scalable to large datasets
  4. It requires a distance metric

Questions & Step-by-Step Solutions

What is a limitation of using K-Means for clustering?
  • Step 1: Understand what K-Means is. K-Means is a method used to group data points into clusters.
  • Step 2: Know that K-Means tries to create clusters that are round (spherical) in shape.
  • Step 3: Realize that K-Means also assumes that all clusters are about the same size and density.
  • Step 4: Recognize that this assumption may not hold true for all datasets, meaning some data may not fit well into these round clusters.
  • Step 5: Conclude that if the actual data clusters are not spherical or vary in size and density, K-Means may not work effectively.
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