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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

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Product type Paperback
Published in Aug 2018
Publisher Packt
ISBN-13 9781789537123
Length 206 pages
Edition 1st Edition
Languages
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Author (1):
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Dejan Sarka Dejan Sarka
Author Profile Icon Dejan Sarka
Dejan Sarka
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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...

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