April 2017
Beginner to intermediate
420 pages
9h 58m
English
book
Mastering Machine Learning with R - Second Edition
by Cory Lesmeister, Doug Ortiz, Vikram Dhillon, Miroslav Kopecky
Content preview from Mastering Machine Learning with R - Second Edition
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Linear regression
Let's get started with the spurious regression then, which I have seen implemented in the real world far too often. Here we simply build a linear model and examine the results:
> fit.lm <- lm(Temp ~ CO2, data = climate) > summary(fit.lm) Call: lm(formula = Temp ~ CO2, data = climate) Residuals: Min 1Q Median 3Q Max -0.36411 -0.08986 0.00011 0.09475 0.28763 Coefficients: Estimate Std. Error t value Pr(>|t|) (Intercept) -2.430e-01 2.357e-02 -10.31 <2e-16 *** CO2 7.548e-05 5.047e-06 14.96 <2e-16 *** --- Signif. codes: 0 '***' 0.001 '**' 0.01 '*' 0.05 '.' 0.1 ' ' 1 Residual standard error: 0.1299 on 93 degrees of freedom Multiple R-squared: 0.7063, Adjusted R-squared: 0.7032 F-statistic: 223.7 on 1 and 93 DF, p-value: ...Become an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
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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.