Correspondence analysis is one of the most convenient and popular exploratory techniques in data analysis.
Frequency, group structure, or percentage share analysis is one of the first tasks of an analyst.
Hierarchical data can be presented using various visualisations. Today’s article will focus on the hierarchical graph.
Correspondence analysis is a technique often thought of as an alternative to a crosstab (contingency table).
In this article you can find perceptual maps prepared using different normalization methods.
The series plot is a type o linear or layered plot most often used to represent changes in time. The plot may represent size for a primary variable category or statistics for a...
It all began in 1968, when Norman H. Nie, C. Hadlai (Tex) Hull and Dale H. Bent decided to develop software based on the idea of using statistics to transform raw data into...