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The method of anticlustering partitions a pool of elements into groups (i.e., anticlusters) with the goal of maximizing between-group similarity or within-group heterogeneity. The anticlustering approach thereby reverses the logic of cluster analysis that strives for high within-group homogeneity and clear separation between groups. Computationally, anticlustering is accomplished by maximizing instead of minimizing a clustering objective function, such as the intra-cluster variance (used in k-means clustering) or the sum of pairwise distances within clusters. The main function anticlustering() gives access to exact and heuristic anticlustering methods described in Papenberg and Klau (2021; doi:10.1037/met0000301), Brusco et al. (2020; doi:10.1111/bmsp.12186), and Papenberg (2024; doi:10.1111/bmsp.12315). The exact algorithms require that an integer linear programming solver is installed, either the GNU linear programming kit (
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