Fig. 2

Estimation of the number of clusters. The number of clusters was estimated by silhouette coefficients and prior knowledge about the movement of C. elegans. The cluster-based similarity partitioning algorithm (CSPA) and WormTensor with Euclidean distance and modified shape-based distance (mSBD) are performed with the number of clusters (2–20). a The x-axis represents the number of clusters, and the y-axis represents the average silhouette coefficient for all the cells for each number of clusters. b The silhouette coefficient for each cell in the optimal number of clusters