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 percentChange function only computes a single percent change at a given point in our data."

A block of code is set as follows:

module LearningDataAnalysis04 where
import Data.List
import Database.HDBC.Sqlite3
import Database.HDBC
import Graphics.EasyPlot
import LearningDataAnalysis02

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

sudo apt-get install gnuplot

New terms and important words are shown in bold. Words that you see on the screen, for example, in menus or dialog boxes, appear in the text like this: "On the Historical Prices page, identify the link that says Download to Spreadsheet."

Note

Warnings or important notes appear in a box like this.

Tip

Tips and tricks appear like this.

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