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: "Finally, we'll use the
sort() function of R with the
index.return parameter set to
A block of code is set as follows:
> iris_cor <- cor(iris_numeric) > findCorrelation(iris_cor)  3 > findCorrelation(iris_cor, cutoff = 0.99) integer(0) > findCorrelation(iris_cor, cutoff = 0.80)  3 4
New terms and important words are shown in bold.
Warnings or important notes appear in a box like this. ...