what is an example of a multidimensional cluster? difference between nmf and k means in clustering what is nmf dimensionality reduction clustered methods what is nmf and clustering is k-means a form of nmf what is the difference between nmf and clustering? what is the difference between a cluster and an nmf difference between clustering and projection what is the difference between clustering and nmf in math what is nmf and clustered data what is the difference between nmf and clustering what is k mean clustering what is the difference between clustering and dimensionality reduction what makes nmf different from clustering why is k-means different from clustering what is nmf vs clustering difference between clustering and k means what is the difference between a cluster analysis and a k means why nmf is used instead of clustering methods