Database Reference
In-Depth Information
DATA PREPARATION
The text mining module of RapidMiner is an optional add-in. When you installed RapidMiner
(way back in Step 4 of the 'Preparing RapidMiner…' section of Chapter 3), we mentioned that you
might want to include the Text Processing component. Whether you did or did not at that time,
we will need it for this chapter's example, so we can add it now. Even if you did add it earlier, it
might be a good idea to complete all of the steps below to ensure your Text Processing add-in is
up-to-date.
1) Open RapidMiner to a new, blank process. From the application menu, select Help >
Update RapidMiner…
Figure 12-1: Updating RapidMiner add-ins.
2) Your computer will need to be connected to the Internet, so that it can check Rapid-I's
servers to see if any updates are available. Once the connection has been established and
the software has checked for available updates, you will see a window similar to Figure 12-
2. Locate Text Processing in the list (it should be about fourth from the top). If it is
grayed out, that means that the add-in is installed and up-to-date on your computer. If it is
not installed, or not up to the current version, it will be orange. You can double click the
 
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