Questions and Answers
What is the Elbow point in an Elbow plot?
The point where WCSS rapidly changes, creating an elbow shape
What is the main issue when we do not know K in K-means algorithm?
Need to determine the optimum clustering
What is the significance of the Elbow point in the Elbow plot?
It marks the point where WCSS starts to move almost parallel to the X-axis.
What is the optimal K value in an Elbow plot?
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What is the best method to determine the optimum value of K?
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What happens when K=N in the Elbow plot?
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What is the cost function for each clustering in K-means algorithm?
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At what value of K is the WCSS the largest in the Elbow plot?
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What happens to WCSS as K increases in an Elbow plot?
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