October 2015
Beginner to intermediate
246 pages
4h 55m
English
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Classes in depth
R has the following six fundamental or atomic classes:
- Character: When assigning a character value to a variable, the corresponding string must be quoted.
- Numeric: Decimal numbers.
- Integer: Non-decimal numbers.
- Complex: Complex numbers.
- Logical:
TRUE/FALSEvalues. - Raw: As explained in the help section of R—the raw type is intended to hold raw bytes. This is very rarely used.
All the rest of the classes that can be built in R are combinations of these six. In the later sections, you will find a list of the most common ones.
Vectors
Vectors are objects that contain elements of only one atomic class. The type of the vector will be the same as the elements it contains (for example, a numeric vector or a character vector). It is important to ...
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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.Julian F.
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.Addison B.
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.Amir M.
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.