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Multiple response sets often form the basis for further detailed questions about opinions on selected products.

Positioning a product in the context of the competition, or the identification of a product’s features and attributes are often key issues facing marketing, promotion, and product...

Regression trees are a very interesting data analysis technique commonly used in tasks related to poststratification, forecasting, and segmentation.

How can we estimate the potential value of consumer shopping, predict the behavior of a visitor to our website, or reduce the risk of credit losses?

When analysing data on migration, transport, international trade, or traffic on a website, you are often faced with the problem of visualising the flow between the analysed units.

Frequency, group structure, or percentage share analysis is one of the first tasks of an analyst.

Correspondence analysis is one of the most convenient and popular exploratory techniques in data analysis.