Search icon CANCEL
Arrow left icon
Explore Products
Best Sellers
New Releases
Books
Videos
Audiobooks
Learning Hub
Conferences
Free Learning
Arrow right icon
Arrow up icon
GO TO TOP
Data Science with SQL Server Quick Start Guide

You're reading from   Data Science with SQL Server Quick Start Guide Integrate SQL Server with data science

Arrow left icon
Product type Paperback
Published in Aug 2018
Publisher Packt
ISBN-13 9781789537123
Length 206 pages
Edition 1st Edition
Languages
Arrow right icon
Author (1):
Arrow left icon
Dejan Sarka Dejan Sarka
Author Profile Icon Dejan Sarka
Dejan Sarka
Arrow right icon
View More author details
Toc

Table of Contents (10) Chapters Close

Preface 1. Writing Queries with T-SQL FREE CHAPTER 2. Introducing R 3. Getting Familiar with Python 4. Data Overview 5. Data Preparation 6. Intermediate Statistics and Graphs 7. Unsupervised Machine Learning 8. Supervised Machine Learning 9. Other Books You May Enjoy

Using functions, branches, and loops

You can encapsulate your code inside a function. The def name(): command defines a function name and is the first code in your function definition. Functions include zero or more parameters and can return values. The following is an example of two functions. The first one has no parameters. The second one has two parameters and returns a value.  There is no special ending mark of a function body—as you know, the correct indentation is important. Indentation tells the Python interpreter where the body of one function ends and the next command starts:

def nopar():
print("No parameters")
def add(a, b):
return a + b

When you call a function, you can pass arguments for the parameters as literals, or through variables. You can even do some operations on the arguments when you pass them to the function. The following...

lock icon The rest of the chapter is locked
Register for a free Packt account to unlock a world of extra content!
A free Packt account unlocks extra newsletters, articles, discounted offers, and much more. Start advancing your knowledge today.
Unlock this book and the full library FREE for 7 days
Get unlimited access to 7000+ expert-authored eBooks and videos courses covering every tech area you can think of
Renews at €18.99/month. Cancel anytime