What is the main challenge when using K-means clustering on high-dimensional dat

Practice Questions

Q1
What is the main challenge when using K-means clustering on high-dimensional data?
  1. Curse of dimensionality
  2. Inability to handle categorical data
  3. Difficulty in initializing centroids
  4. Slow convergence

Questions & Step-by-Step Solutions

What is the main challenge when using K-means clustering on high-dimensional data?
  • Step 1: Understand what K-means clustering is. It is a method used to group similar data points together.
  • Step 2: Know that K-means relies on measuring distances between data points to form clusters.
  • Step 3: Recognize that in high-dimensional data, there are many features (dimensions) for each data point.
  • Step 4: Realize that as the number of dimensions increases, the distance between points becomes less meaningful.
  • Step 5: Understand that this phenomenon is called the 'curse of dimensionality.'
  • Step 6: Conclude that because distances are less informative, K-means struggles to find clear and meaningful clusters in high-dimensional data.
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