October 2015
Beginner to intermediate
254 pages
5h 31m
English
Content preview from Scala Data Analysis Cookbook (new)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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Predicting continuous values using linear regression
At the risk of stating the obvious, linear regression aims to find the relationship between an output (y) based on an input (x) using a mathematical model that is linear to the input variables. The output variable, y, is a continuous numerical value. If we have more than one input/explanatory variable (x), as in the example that we are going to see, we call it multiple linear regression. The dataset that we'll use for this recipe, for lack of creativity, is lifted from the UCI website at http://archive.ics.uci.edu/ml/machine-learning-databases/wine-quality/. This dataset has 1599 instances of various red wines, their chemical composition, and their quality. We'll use it to predict the quality ...
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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.