Conventions used

There are a number of text conventions used throughout this book.

CodeInText: Indicates code words in text, database table names, folder names, filenames, file extensions, pathnames, dummy URLs, user input, and Twitter handles. Here is an example: "We will follow the order of .txt, .csv, and .xlsx files, in three separate sections."

A block of code is set as follows:

import matplotlib.pyplot as plt
import pandas as pd
import numpy as np
from matplotlib import cm

Bold: Indicates a new term, an important word, or words that you see onscreen. For example, words in menus or dialog boxes appear in the text like this. Here is an example: "When you run the program and click Next and Next, you will see the following three figures, representing each of the clusters, as shown in the header of each figure."