Search Results for author: Alessandra Cabassi

Found 3 papers, 3 papers with code

Kernel learning approaches for summarising and combining posterior similarity matrices

1 code implementation27 Sep 2020 Alessandra Cabassi, Sylvia Richardson, Paul D. W. Kirk

Here we build upon the notion of the posterior similarity matrix (PSM) in order to suggest new approaches for summarising the output of MCMC algorithms for Bayesian clustering models.

Clustering Data Integration

Two-step penalised logistic regression for multi-omic data with an application to cardiometabolic syndrome

1 code implementation1 Aug 2020 Alessandra Cabassi, Denis Seyres, Mattia Frontini, Paul D. W. Kirk

Building classification models that predict a binary class label on the basis of high dimensional multi-omics datasets poses several challenges, due to the typically widely differing characteristics of the data layers in terms of number of predictors, type of data, and levels of noise.

regression Variable Selection

Multiple kernel learning for integrative consensus clustering of 'omic datasets

1 code implementation15 Apr 2019 Alessandra Cabassi, Paul D. W. Kirk

KLIC frames the challenge of combining clustering structures as a multiple kernel learning problem, in which different datasets each provide a weighted contribution to the final clustering.

Clustering

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