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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See also
Here we list some functions that can be used to manipulate data with plyrmr. You may refer to the help function for further details on their usage and functionalities:
- Data manipulation:
- bind.cols: This adds new columns
- select: This is used to select columns
- where: This is used to select rows
- transmute: This uses all of the aforementioned plus their summaries
- From reshape2:
- melt and dcast: This converts long and wide DataFrames
- Summary:
- count
- quantile
- sample
- Extract:
- top.k
- bottom.k
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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.
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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.