September 2022
Intermediate to advanced
880 pages
23h 12m
English
Content preview from The R Book, 3rd Edition
3Essentials of the
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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.
3Essentials of the 
Language
There is an enormous range of things that 
can do, and one of the hardest parts of learning 
is finding our way around. Likewise, there is no obvious order in which different people will want to learn the different components of the 
language. It is probably worth quickly scanning down the following bullet points, which represent the order in which the introductory material is presented, and if you are relatively experienced in statistical computing, you might want to skip directly to the relevant section. Beginners are strongly recommended to work through the material in the order presented because successive sections build upon knowledge gained from previous sections. This chapter is divided into the following sections:
- Calculations
- Naming objects
- Factors
- Logical operations
- Sequences
- Class membership
- Missing values and things that are not numbers
- Vectors and subscripts
- Vectorised functions
- Matrices and arrays
- Sampling
- Loops and repeats
- Lists
- Text, character strings, and pattern matching
- Dates and times
- Environments
- Writing functions
- Structure of objects ...
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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.