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Learn Python by Building Data Science Applications

You're reading from  Learn Python by Building Data Science Applications

Product type Book
Published in Aug 2019
Publisher Packt
ISBN-13 9781789535365
Pages 482 pages
Edition 1st Edition
Languages
Authors (2):
Philipp Kats Philipp Kats
Profile icon Philipp Kats
David Katz David Katz
Profile icon David Katz
View More author details

Table of Contents (26) Chapters

Preface Section 1: Getting Started with Python
Preparing the Workspace First Steps in Coding - Variables and Data Types Functions Data Structures Loops and Other Compound Statements First Script – Geocoding with Web APIs Scraping Data from the Web with Beautiful Soup 4 Simulation with Classes and Inheritance Shell, Git, Conda, and More – at Your Command Section 2: Hands-On with Data
Python for Data Applications Data Cleaning and Manipulation Data Exploration and Visualization Training a Machine Learning Model Improving Your Model – Pipelines and Experiments Section 3: Moving to Production
Packaging and Testing with Poetry and PyTest Data Pipelines with Luigi Let's Build a Dashboard Serving Models with a RESTful API Serverless API Using Chalice Best Practices and Python Performance Assessments Other Books You May Enjoy

Chapter 20

How can we measure which line in the code took the most time to complete?

The simplest way to do that is via a utility called line__profiler. This utility will show each line of the given code and show how much time was spent on each line. Knowing the distribution of the time that was required helps us focus on the right parts of the code.

Does NumPy run faster than Pandas?

In most cases with numeric computations, Pandas uses NumPy under the hood, so the difference is minimal. It does, however, spend certain additional time on building series and dataframes, when needed. So, for a well-scoped and purely numeric task, it makes sense to switch to pure NumPy.

When should we use Numba? What are the challenges and benefits of using Numba?

Numba uses a modern C compiler with some modern techniques to significantly improve performance. It can also be run on a GPU. Its "...

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