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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Successive differences and moving averages
A successive difference means the difference between the successive observations. For time series y, the successive difference will be (y2-y1), (y3-y2), (y4-y3).
The moving average is used to understand the direction of the current trend.
The moving average will smooth the data if there is a variation in consecutive points. It will smoothen the curve on the base of the average.
R does not have any direct implementation of the moving average, but zoo and the forecast package provides the various functions to find the moving average.
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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.