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Machine Learning for the Web

Machine Learning for the Web

By : Steve Essinger, Isoni
4.5 (27)
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Machine Learning for the Web

Machine Learning for the Web

4.5 (27)
By: Steve Essinger, Isoni

Overview of this book

Python is a general purpose and also a comparatively easy to learn programming language. Hence it is the language of choice for data scientists to prototype, visualize, and run data analyses on small and medium-sized data sets. This is a unique book that helps bridge the gap between machine learning and web development. It focuses on the difficulties of implementing predictive analytics in web applications. We focus on the Python language, frameworks, tools, and libraries, showing you how to build a machine learning system. You will explore the core machine learning concepts and then develop and deploy the data into a web application using the Django framework. You will also learn to carry out web, document, and server mining tasks, and build recommendation engines. Later, you will explore Python’s impressive Django framework and will find out how to build a modern simple web app with machine learning features.
Table of Contents (10 chapters)
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9
Index

Scrapy setup and the application code


Scrapy is a Python library is used to extract content from web pages or to crawl pages linked to a given web page (see the Web crawlers (or spiders) section of Chapter 4, Web Mining Techniques, for more details). To install the library, type the following in the terminal:

sudo pip install Scrapy 

Install the executable in the bin folder:

sudo easy_install scrapy

From the movie_reviews_analyzer_app folder, we initialize our Scrapy project as follows:

scrapy startproject scrapy_spider

This command will create the following tree inside the scrapy_spider folder:

├── __init__.py
├── items.py
├── pipelines.py
├── settings.py
├── spiders
├── spiders
│   ├── __init__.py

The pipelines.py and items.py files manage how the scraped data is stored and manipulated, and they will be discussed later in the Spiders and Integrate Django with Scrapy sections. The settings.py file sets the parameters each spider (or crawler) defined in the spiders folder uses to operate...

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Machine Learning for the Web
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