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In this week's seminar Catherine Hurley (National University of Ireland Maynooth) will speak on
Improving data visualisations with dendrogram seriation Visualisation is a key but often neglected step in data and model exploration.
Data visualisation is about comparisons, perhaps between variables, cases, groups, and or models. Stock visualisations provided in packages such as R benefit from systematic ordering (i.e. seriation) of data objects to highlight features and structure. The theme of this talk will be the use of seriation to improve data graphics. We describe a general-purpose seriation algorithm based on dendrograms which easily adapts to different visualization settings. .