why is it called a cluster how to cluster spherical data why does a data set appear to be spherical-shaped clustering of spherical data what is the shape of spectral clustering in data why is spherical data interesting to me? how to cluster spherical data why do we need a spherical dataset? clustering a large sample of data is called what is the meaning of clustering spherical data what shape is pca data which data type represents a spherical shaped data set? what kind of clustering data does census have? what type of clustering technique to perform census data cluster spectral clustering definition why is it important to cluster data clustering spherical data is clustering spherical shaped? what is the shape of the data spectral clustering - what does it look like