June 2021
Beginner to intermediate
196 pages
5h 1m
English
Content preview from Python and R for the Modern Data Scientist
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.
Part II. Bilingualism I: Learning a New Language
In this part, I’ll introduce the two core languages for data science: Python and R. In contrast to other introductions, I expect some familiarity in one language before introducing the other. In short, I expect that you’re carrying baggage. I’d like to advise you to leave your baggage at the door, but baggage is designed to be hauled around, so that’s kind of hard to do. Instead, let’s embrace your baggage! Recognize that Python and R operate quite differently and you may not always find a 1:1 translation. That’s OK!
When I teach R and Python for complete beginners, each lesson is an element, a fundamental component of the whole. The first four elements are:
- Functions
-
How to perform actions, i.e., the verbs.
- Objects
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How to store information, i.e., the nouns.
- Logical Expressions
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How to ask questions.
- Indexing
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How to find information.
There are many layers beyond these four elements, but these are the core, essential ones. Once you have a good grasp of these elements, you have the tools to delve further on your own. My goal is to get you to that point. Thus, the following chapters are not thorough introductions to each language.
The Appendix contains a quick-reference Python:R bilingual dictionary. It will help you translate code you’re familiar with into your new, still unfamiliar language.
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I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.