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Exploring Data with RapidMiner by Andrew Chisholm

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Chapter 2. Loading Data

There are many ways of loading data into RapidMiner. This chapter will cover the important ones when reading from files or databases. Keeping in mind that we are exploring data, the chapter focuses on using the features of RapidMiner to work around the typical issues that real data can cause. Some issues can occur without being noticed, so it is particularly important to be vigilant.

Reading files

The most used operator to import flat files is Read CSV. This is a powerful operator that is capable of far more than importing comma-separated values. The operator has a wizard that can be used to take some of the tedious work out of setting up the details of the fields to import, and generally, this works well. However, there ...

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