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Also known as: Mosaic Plot.
Marimekko Charts are used to visualise categorical data over a pair of variables. They work as kind of two-way 100% Stacked Bar Graph, where all the bars are of equal length across a value/scaled axis and are divided into segments. Only in a Marimekko Chart, both axes are a variable with a scale, that determine both the width and height of each segment. This makes it possible to detect relationships between categories and their subcategories via the two variables.
The main flaws of Marimekko Charts are that they can be hard to read, especially with a large number of segments. Also, it's hard to accurately make comparisons between each segment, as they are not arranged next to each other along a common baseline. Therefore, Marimekko Charts are more ideal for giving a general overview of the data.
Tools to Generate Visualisation