December 2016
Intermediate to advanced
222 pages
5h 20m
English
Content preview from Efficient R Programming
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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.
Chapter 2. Efficient Setup
An efficient computer setup is analogous to a well-tuned vehicle. Its components work in harmony. It is well serviced. It’s fast!
This chapter describes the setup that will enable a productive workflow. It explores how the operating system, R version, startup files, and IDE can make your R work faster. Understanding and at times changing these setup options can have many additional benefits. That’s why we cover them at this early stage (hardware is covered in Chapter 3). By the end of this chapter, you should understand how to set up your computer and R installation for optimal efficiency. It covers the following topics:
- R and the operating systems
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System monitoring on Linux, Mac, and Windows
- R version
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How to keep your base R installation and packages up-to-date
- R start-up
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How and why to adjust your .Rprofile and .Renviron files
- RStudio
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An IDE to boost your programming productivity
- BLAS and alternative R interpreters
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Looks at ways to make R faster
Efficient programming is more than a series of tips: there is no substitute for in-depth understanding. However, to help remember the key messages buried among the details, each chapter from now on contains a Top Five Tips section after the pre-requisites.
Prerequisites
Only one package needs to be installed to run the code in this chapter:
library("benchmarkme")
Top Five Tips for an Efficient R Setup
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Use system monitoring to identify bottlenecks in your hardware/code.
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Keep your R installation ...
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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.