Marketing data analysis typically aims to gain insights for targeted promotions or, increasingly, to implement collaborative filtering. Ideally, data would be visualised directly. There is a scarcity of methods to visualise the position of individual data points in clusters, mainly because dimensionality reduction is necessary for analysis of high-dimensional data and projective methods tend to merge clusters together. This paper proposes a cluster-based projective method to represent cluster membership, which shows good cluster separation and retains linear relationships in the data. This method is practical for the analysis of large, high-dimensional, databases, with generic applicability beyond marketing studies. Theoretical properties of this non-orthogonal projection are derived and its practical value is demonstrated on real-world data from a web-based retailer, benchmarking with the visualisation of clusters using Sammon and Kohonen maps. © Springer-Verlag Berlin Heidelberg 2004.
CITATION STYLE
Lisboa, P. J. G., & Patel, S. (2004). Cluster-based visualisation of marketing data. Lecture Notes in Computer Science (Including Subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics), 3177, 552–558. https://doi.org/10.1007/978-3-540-28651-6_81
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