how to calculate accuracy of k means clustering
How do you improve K-Means clustering accuracy?
K-means clustering algorithm can be significantly improved by using a better initialization technique, and by repeating (re-starting) the algorithm.
When the data has overlapping clusters, k-means can improve the results of the initialization technique.Our task is to use the k-means Clustering algorithm to do this categorization.
Our task is to use the k-means Clustering algorithm to do this categorization.
1Step 1: Select the Number of Clusters, k.
2) Step 2: Select k Points at Random.
3) Step 3: Make k Clusters.
4) Step 4: Compute New Centroid of Each Cluster.
5) Step 5: Assess the Quality of Each Cluster.
6) Step 6: Repeat Steps 3–5.
How do you measure clustering results?
The silhouette method provides a measure of how similar the data is to the assigned cluster as compared to other clusters.
This is computed by calculating the silhouette value for each data point, and then averaging the result across the entire data set.
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