brainconn.centrality
brainconn.clustering
brainconn.core
brainconn.degree
brainconn.distance
brainconn.generative
brainconn.modularity
brainconn.motifs
brainconn.physical_connectivity
brainconn.reference
brainconn.similarity
brainconn.nbs
brainconn.utils
teachers_round
Do rounding such that .5 always rounds to 1, and not bankers rounding. This is for compatibility with matlab functions, and ease of testing.