What would be the right number of clusters, Elbow method

This video is part of a course titled “Introduction to Clustering using R”. The course would get you up and started with clustering, which is a well-known machine learning algorithm. Also, the course would lay the foundation for carrying out data processing, data manipulation and clustering inside R. For the complete course along with the exercise files, you can visit any of the following 2 links:

elbow method,total error,total squared error,variance,within cluster sum of squares,determine right number of clusters,making plots in R,show elbow in a plot,