Desktop Survival Guide
by Graham Williams
The Join Categorics option provides a convenient way to
stratify the dataset, based on multiple categoric variables. It is a
simple mechanism that creates a new variable from the combination of
all of the values of the two constituent variables selected in the
Rattle interface. The resulting variables are prefixed with
JOIN_ and include the names of both the constituent variables.
A simple example might be to join Gender and Marital, to give a new
We might also want to join a numeric variable and a categoric variable, like the typical Age and Gender stratification. To do this we first use the Binning option within Remap to categorise the Age variable (See Section 23.3.1).