Intro to Data Analysis

Siraj Raval built this YouTube series as a genuine introduction into data analysis. It covers the basics, and it focuses on the easy ways to accomplish meaningful tasks. The entire series is under two hours, making it a quick and free introduction to the concepts.

Created by: Siraj Raval

Produced in 2016

What you will learn

  • How to prepare a dataset.
  • How to visualize a dataset.
  • Visualizing data with D3.js.
  • How to pass data science interviews.

Quality Score

Content Quality
Video Quality
Qualified Instructor
Course Pace
Course Depth & Coverage

Overall Score : 84 / 100

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Course Description

In this video, I go over the 3 steps you need to prepare a dataset to be fed into a machine learning model. (selecting the data, processing it, and transforming it). The example I use is preparing a dataset of brain scans to classify whether or not someone is meditating.



    • It's short. Taking up less than two hours of your life, this course will not feel grueling or overwhelming.
    • It's on YouTube. That means it's free and accessible.
    • Demo-based teaching allows you to see concepts in motion.
    • It's short. Truly living up to the word "intro", this course does not delve deeply into analytical techniques. It only covers the bare basics and will not teach the tools for professional analysis.
    • Tutorial is more fun than serious. While information is accurate, it does not reflect the data science profession.
    • Series is more of an overview of a few ideas than a true course in data science.

Instructor Details

Siraj Raval

Siraj is a technology activist on a mission to spread data literacy. Artificial Intelligence, Mathematics, Science, Technology, he simplifies these topics to help you understand how they work. Using this knowledge you can build wealth and live a happier, more meaningful life. Siraj is the founder of the School of AI.



10 total reviews

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By abortion_selfie on 1/15/2018

Great video, love the presentation! Great for beginners.

By Shawn Irwin on 11/23/2017

The one thing about your videos that really stands out is that whoever is watching them is not likely to fall asleep, as some video tutorials can be quite soporific. Keep up the good work!

By Andy Jennings on 12/18/2018

Terrible video. More time spent trying to be fun or cool than actually explaining concepts or coding.

By libai tony on 10/3/2016

Exciting project + sample + humor = great ???but i think this project is not very exciting.........

By Jetro Ganza on 1/3/2018

Great channel!! I really thank you Siraj for your videos. They are very funny and educative.

By Dawood Khan on 8/26/2017

Love your effort and your approach to making the lessons as easy as possible. Keep up the good work!

By zamazalotta on 10/28/2017

i appreciate the effort and enthusiasm that this guy has, nice and entertaining. but sometimes it borders on the edge of handing out fish sticks rather than teaching how to fish.

By Futuroscope Weber on 9/23/2017

Watching your video is like watching a Bollywood movie, exaggerated facial expression and open body movements, and suddenly burst into a rap + dance. But I like the video very much, it is technically very informative, and you delivered it in such way that it is amusing to watch!

This is the best I have seen on the career path to be a data scientist. Thanks for sharing this information.

By The BIM Coordinator on 2/16/2019

Just recently starting my learning journey and your videos are the best. I am still really trying to grasp the information. Your videos make it understandable and pretty fun.