Conventions

In this book, you will find a number of styles of text 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: "We can include other contexts through the use of the include directive."

When we are pointing to a URL then this is indicated as follows:

http://lib.stat.cmu.edu/DASL/DataArchive.html

A block of code is set as follows:

TSPLOT Data;
  Index;
  Connect:
  Symbol;

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

%Glayout

New terms and important words are shown in bold. Words that you see on the screen, in menus, or dialog boxes for example, appear in the text like this: " Any worksheet is suitable, but be aware that the Open Worksheet… command".

Files to open use the code format as follows:

Oxford Weather.txt

Columns in the worksheet are referred to as follows:

Year