Modelling of chemical oxygen demand by using ANNs, ANFIS and k-means clustering techniques

Fuzzy sets

L. A. Zadeh · Information and Control · 1965 · 66.1K citations

An Algorithm for Least-Squares Estimation of Nonlinear Parameters

Donald W. Marquardt · Journal of the Society for Industrial and Applied Mathematics · 1963 · 30.4K citations

Natural Sciences, Computational Engineering, Optimization +11

Silhouettes: A graphical aid to the interpretation and validation of cluster analysis

Peter J. Rousseeuw · Journal of Computational and Applied Mathematics · 1987 · 20.7K citations

Computing, Visualization, Data Visualization +7

Fuzzy identification of systems and its applications to modeling and control

Tomohiro Takagi, Michio Sugeno · IEEE Transactions on Systems Man and Cybernetics · 1985 · 19.4K citations

Engineering, Industrial Engineering, Systems Engineering +16

Hierarchical Grouping to Optimize an Objective Function

Joe H. Ward · Journal of the American Statistical Association · 1963 · 19.2K citations

Natural Sciences, Computer Science, Mathematics +15