XLSTAT - Parallel Coordinates Visualization

Tutorial
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Structure of a Parallel Coordinates plot

If you consider N observations described by P quantitative and Q qualitative variables, the chart consists of P+Q vertical axes each representing a variable, and N lines corresponding to each observation. A line crosses an axis at the value corresponding to the value that the observation takes for the variable corresponding to the axis.

Use of Parallel Coordinates Visualization

This visualization method is useful for data analysis when you need to discover or validate groups. For example, this method could be used after Agglomerative Hierarchical Clustering.

Using this method you are able to visually determine which variables are discriminative.

XLSTAT

This analysis is available in the XLStat-Base addin for Microsoft Excel

About KCS

Kovach Computing Services (KCS) was founded in 1993 by Dr. Warren Kovach. The company specializes in the development and marketing of inexpensive and easy-to-use statistical software for scientists, as well as in data analysis consulting.

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