October 2017
Beginner to intermediate
572 pages
26h 1m
English
book
Machine Learning with R Cookbook - Second Edition
by AshishSingh Bhatia, Yu-Wei, Chiu (David Chiu)
Content preview from Machine Learning with R Cookbook - Second Edition
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How to do it...
Perform the following commands in RStudio or R Console:
> class(AirPassengers) Output: [1] "ts" > start(AirPassengers) Output: [1] 1949 1 > end(AirPassengers) Output: [1] 1960 12 > summary(AirPassengers) Output: Min. 1st Qu. Median Mean 3rd Qu. Max. 104.0 180.0 265.5 280.3 360.5 622.0
In the next recipe, we will create the time series and print it out.
Let's think of the share price of some company in the range of 2,500 to 4,000 from 2011 to be recorded monthly. Perform the following codeing in R:
> my_vector = sample(2500:4000, 72, replace=T) > my_series = ts(my_vector, start=c(2011,1), end=c(2016,12), frequency = 12) > my_series Output: Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec 2011 2888 3894 3675 3113 3421 3870 2644 ...
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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.