Conventions

In this book, you will find a number of text styles that distinguish between different kinds of information. Here are some examples of these styles and an explanation of their meaning.

Code words in text, database table names, folder names, filenames, file extensions, pathnames, dummy URLs, user input, and Twitter handles are shown as follows: "The algorithm calls the eliminate function in a loop, as shown here."

A block of code is set as follows:

DataSource source = new DataSource(trainingFile);
Instances data = source.getDataSet();
if (data.classIndex() == -1)
  data.setClassIndex(data.numAttributes() - 1);

Any command-line input or output is written as follows:

Correctly Classified Instances     53       77.9412 %
Incorrectly Classified Instances    15       22.0588 %

New terms and important words are shown in bold.

Note

Warnings or important notes appear in a box like this.

Tip

Tips and tricks appear like this.