Silhouettes: a graphical aid to the interpretation and validation of cluster analysis
Journal of Computational and Applied Mathematics
A computer generated aid for cluster analysis
Communications of the ACM
Cluster and Classification Techniques for the Biosciences
Cluster and Classification Techniques for the Biosciences
DIVCLUS-T: A monothetic divisive hierarchical clustering method
Computational Statistics & Data Analysis
Editorial: Second special issue on statistical algorithms and software
Computational Statistics & Data Analysis
DClusterE: A Framework for Evaluating and Understanding Document Clustering Using Visualization
ACM Transactions on Intelligent Systems and Technology (TIST)
Isometric sliced inverse regression for nonlinear manifold learning
Statistics and Computing
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GAP is a Java-designed exploratory data analysis (EDA) software for matrix visualization (MV) and clustering of high-dimensional data sets. It provides direct visual perception for exploring structures of a given data matrix and its corresponding proximity matrices, for variables and subjects. Various matrix permutation algorithms and clustering methods with validation indices are implemented for extracting embedded information. GAP has a friendly graphical user interface for easy handling of data and proximity matrices. It is more powerful and effective than conventional graphical methods when dimension reduction techniques fail or when data is of ordinal, binary, and nominal type.