Fig. 5From: Plant diversity and community analysis of Sele-Nono forest, Southwest Ethiopia: implication for conservation planningDetermination of optimal number of clusters corresponding to plant community types in Sele-Nono forest (Diagram of the Elbow method shows the expected optimal number of clusters. Within group (Cluster) Sum of Squares values represent the sum of squared Euclidean distances between the plots and the centroid. The Elbow is the first breaking point, seen after the flattening of the curve, in our case, 7)Back to article page