Desktop Survival Guide
by Graham Williams

Mosaic Plot

Figure 6.3: Mosaic plot of Age by Adjusted.
Image rattle-audit-explore-mosaic-age-adjusted
A mosaic plot is an effective way to visualise the distribution of the values of a variable over the different values of another variable. Often, this second variable is the target variable that we are interested in (e.g., Adjusted in our audit).

The example in Figure 6.3 displays the relationship between the input variable Age and target variable Adjusted. Age is a numeric variable, so for it to make sense in a mosaic plot we need to bin it so that it becomes categoric, which can be accomplished using the Remap option of the Transform tab. In this case we have transformed Age into 6 quantiles (equal sized groups).

The plot tells us that XXXX

Copyright © Togaware Pty Ltd
Support further development through the purchase of the PDF version of the book.
The PDF version is a formatted comprehensive draft book (with over 800 pages).
Brought to you by Togaware. This page generated: Sunday, 22 August 2010