Search Results for author: Patrick J. F. Groenen

Found 5 papers, 4 papers with code

Convex Clustering through MM: An Efficient Algorithm to Perform Hierarchical Clustering

3 code implementations3 Nov 2022 Daniel J. W. Touw, Patrick J. F. Groenen, Yoshikazu Terada

Convex clustering is a modern method with both hierarchical and $k$-means clustering characteristics.

Clustering

Generalized Simultaneous Component Analysis of Binary and Quantitative data

no code implementations13 Jul 2018 Yipeng Song, Johan A. Westerhuis, Nanne Aben, Lodewyk F. A. Wessels, Patrick J. F. Groenen, Age K. Smilde

To this end, we propose the generalized SCA (GSCA) model, which takes into account the distinct mathematical properties of binary and quantitative measurements in the maximum likelihood framework.

Methodology

SparseStep: Approximating the Counting Norm for Sparse Regularization

1 code implementation24 Jan 2017 Gerrit J. J. van den Burg, Patrick J. F. Groenen, Andreas Alfons

The SparseStep algorithm is presented for the estimation of a sparse parameter vector in the linear regression problem.

Sparse Learning Methodology 62J05, 62J07

GenSVM: A Generalized Multiclass Support Vector Machine

3 code implementations Journal of Machine Learning Research 2016 Gerrit J. J. van den Burg, Patrick J. F. Groenen

Traditional extensions of the binary support vector machine (SVM) to multiclass problems are either heuristics or require solving a large dual optimization problem.

Multi-class Classification

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