i have dataset which has been clusters using k-means and stored in an excel file (clu.xlsx) , my data consist from 200 observations where :
first column is observation labels second column is x data values third columns is y data values fourth columns is cluster ids ( 1,2,3...K "clustering has done using k-means") and : cent= stored the centroids of my clusters
my question :
- - how do i can plot observation in scatter plot where i would like colored every points in cluster with different colors from other in other clusters.
- - then how to plot centroids also.
thanks for any suggestion