From the course: NLP with Python for Machine Learning Essential Training
Unlock the full course today
Join today to access over 22,600 courses taught by industry experts or purchase this course individually.
What are NLP and NLTK? - Python Tutorial
From the course: NLP with Python for Machine Learning Essential Training
What are NLP and NLTK?
- [Instructor] Let's jump into what Natural Language Processing actually means. There are various definitions out there, but one that I like is this: Natural language processing is a field concerned with the ability of a computer to understand, analyze, manipulate, and potentially generate human language. By human language, we're simply referring to any language used for everyday communication. This can be English, Spanish, French, anything like that. Now it's worth noting that Python doesn't naturally know what any given word means. All it will see is a string of characters. For instance, it has no idea what natural actually means. It sees that it's seven characters long, but the individual characters don't mean anything to Python and certainly the collection of those characters together don't mean anything, either. So we know that, what an N is, what an A is, and we know that together, those seven characters makes up the word natural, and we know what that means. So NLP is the field…
Practice while you learn with exercise files
Download the files the instructor uses to teach the course. Follow along and learn by watching, listening and practicing.
Contents
-
-
-
(Locked)
What are NLP and NLTK?4m 7s
-
(Locked)
NLTK setup and overview6m 15s
-
(Locked)
Reading in text data11m 41s
-
(Locked)
Exploring the dataset6m 56s
-
(Locked)
What are regular expressions?4m 8s
-
(Locked)
Learning how to use regular expressions8m 44s
-
(Locked)
Regular expression replacements6m 3s
-
(Locked)
Machine learning pipeline4m 45s
-
(Locked)
Implementation: Removing punctuation9m 10s
-
(Locked)
Implementation: Tokenization3m 37s
-
(Locked)
Implementation: Removing stop words4m 2s
-
(Locked)
-
-
-
-
-