April 2019
Intermediate to advanced
426 pages
11h 13m
English
Content preview from Mastering Python for Finance - Second Edition
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Linear regression by OLS
Let's begin our investigation of regression-based machine learning with a simple linear regression model. A straight line is in the following form:
This attempts to fit the data by OLS:
- a is the slope or coefficient
- c is the value of the y-intercept
- x is the input dataset
-
is the predicted value from the straight line
The coefficients and intercept are determined by minimizing the cost function:
y is the dataset ...
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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.