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 it works...
A student's t-test is where the test statistic follows a normal distribution (the student's t distribution) if the null hypothesis is true. It can be used to determine whether there is a difference between two independent datasets. A student's t-test is best used with the problems associated with an inference based on small samples.
In this recipe, we discuss one sample student's t-test and two sample student's t-tests. In the one sample student's t-test, a research question often asked is, Is the mean of the population different from the null hypothesis? Thus, in order to test whether the average mpg of automobiles is lower than the overall average mpg, we first use a boxplot to view the differences between populations without ...
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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.