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A Comprehensive Guide to NLTK in Python: Volume 1
Rating: 3.9 out of 5(23 ratings)
135 students

A Comprehensive Guide to NLTK in Python: Volume 1

Tokenizing Text in Python for Natural Language Processing
Created byMike West
Last updated 5/2017
English

What you'll learn

  • You'll understand tokenization in NLTK at a very deep level.
  • You'll understand and more importantly be able to tokenzie any part of a corpus.
  • You'll learn how to graphically represent arcane concepts like lemmas and synsets in NTLK.
  • You'll receive a completed Jupyter Notebook with the complete code and annotations for the course.

Course content

2 sections • 21 lectures • 56m total length

  • Introduction1:43

    What's the course about? 

    What is NLTK? 

    Let's learn in this introductory lesson. 

  • What are we going to learn?1:22

    Let's find out what the course is about. 

    What are you going to learn. 

  • What is Tokenization2:44

    The entire course is centered around the concept of tokeization. 

    Let's define what that is in this lecture. 

  • Predictive Modeling1:21

    Let's look at predictive modeling from a every day life experience point of view. 

  • Is the course right for you? Q&A with Instructor.2:41

    This Q&A with me will help you decide if this course is for you. 

    I want you to take my course but only if it's right for you. 

  • Downloads0:08

    This is where you'll download the Jupyter Notebook for the course. 

  • Installing Python 3.X4:15

    In this lesson let's install Python. 

  • Anatomy of a Jupyter Notebook6:56

    Our IDE of choice for learning Python and machine learning is a Jupyter Notebook.

    Let's walk through the basics in this lesson.

  • Summary0:38
  • Quiz

Requirements

  • Familiarity with Python will help you in this course.
  • An basic understanding of the terminology of machine learning would also be beneficial.

Description

Recent Course Review:

"Great course! The things that Mike taught are practical and can be applied in the real world immediately."  -- Ricky Valencia

Welcome to A Comprehensive Guide to NLTK in Python: Volume 1

This is the very FIRST course in a series of courses that will focus on NLTK. 

Natural Language ToolKit (NLTK) is a comprehensive Python library for natural language processing and text analytics.

Note: This isn't a modeling building course. This course is laser focused on a very specific part of natural language processing called tokenization. 

This is the first part in a series of courses crafted to help you master NLP. This course  will cover the basics of tokenizing text and using WordNet

Tokenization is a method of breaking up a piece of text into many pieces, such as sentences and words, and  is an essential first step for recipes in the later courses. WordNet is a dictionary designed  for programmatic access by natural language processing systems. 

NLTK was originally created in 2001 as part of a computational linguistics course in the Department of Computer and Information Science at the University of Pennsylvania

We will take Natural Language Processing — or NLP for short — in a wide sense to cover any kind of computer manipulation of natural language. At one extreme, it could be as simple as counting word frequencies to compare different writing styles.

At the other extreme, NLP involves "understanding" complete human utterances, at least to the extent of being able to give useful responses to them.

Technologies based on NLP are becoming increasingly widespread. For example, phones and handheld computers support predictive text and handwriting recognition; web search engines give access to information locked up in unstructured text; machine translation allows us to retrieve texts written in Chinese and read them in Spanish; text analysis enables us to detect sentiment in tweets and blogs.

A Jupyter notebook is a web app that allows you to write and annotate Python code interactively. It's a great way to experiment, do research, and share what you are working on.

In this course all of the tutorials will be created using jupyter notebooks. In the preview lessons we install Python. Check them out. They are completely free.

By providing more natural human-machine interfaces, and more sophisticated access to stored information, language processing has come to play a central role in the multilingual information society.

Thanks for your interest in A Comprehensive Guide to NLTK in Python: Volume 1

Who this course is for:

  • If you're interested in Natural Language Processing then this course is for you.

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