Search Results for author: Fionn Murtagh

Found 11 papers, 0 papers with code

Linear Time Visualization and Search in Big Data using Pixellated Factor Space Mapping

no code implementations27 Feb 2019 Fionn Murtagh

It is demonstrated how linear computational time and storage efficient approaches can be adopted when analyzing very large data sets.

Clustering

Core Conflictual Relationship: Text Mining to Discover What and When

no code implementations28 May 2018 Fionn Murtagh, Giuseppe Iurato

The Correspondence Analysis methodology, also termed Geometric Data Analysis, is shown in a case study to be comprehensive and revealing.

Computational Efficiency

Massive Data Clustering in Moderate Dimensions from the Dual Spaces of Observation and Attribute Data Clouds

no code implementations6 Apr 2017 Fionn Murtagh

Cluster analysis of very high dimensional data can benefit from the properties of such high dimensionality.

Attribute Clustering

Big Data Scaling through Metric Mapping: Exploiting the Remarkable Simplicity of Very High Dimensional Spaces using Correspondence Analysis

no code implementations13 Dec 2015 Fionn Murtagh

A particular benefit of Correspondence Analysis is its suitability for carrying out an orthonormal mapping, or scaling, of power law distributed data.

Pattern Recognition in Narrative: Tracking Emotional Expression in Context

no code implementations14 May 2014 Fionn Murtagh, Adam Ganz

Using geometric data analysis, our objective is the analysis of narrative, with narrative of emotion being the focus in this work.

Ultrametric Component Analysis with Application to Analysis of Text and of Emotion

no code implementations14 Sep 2013 Fionn Murtagh

We do this in order to have a framework (including visualization and supporting interpretation) for the parts of the data that are determined to be ultrametric.

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