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You're reading from  scikit-learn Cookbook - Second Edition

Product typeBook
Published inNov 2017
Reading LevelIntermediate
PublisherPackt
ISBN-139781787286382
Edition2nd Edition
Languages
Python
Tools
Scikit-learn
Concepts
Machine Learning
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Author (1)
Trent Hauck
Trent Hauck
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Trent Hauck

Trent Hauck is a data scientist living and working in the Seattle area. He grew up in Wichita, Kansas and received his undergraduate and graduate degrees from the University of Kansas. He is the author of the book Instant Data Intensive Apps with pandas How-to, Packt Publishing—a book that can get you up to speed quickly with pandas and other associated technologies.
Read more about Trent Hauck

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Introduction

What is data, and what are we doing with it?

A simple answer is that we attempt to place our data as points on paper, graph them, think, and look for simple explanations that approximate the data well. The simple geometric line of F=ma (force being proportional to acceleration) explained a lot of noisy data for hundreds of years. I tend to think of data science as data compression at times.

Sometimes, when a machine is given only win-lose outcomes (of winning games of checkers, for example) and trained, I think of artificial intelligence. It is never taught explicit directions on how to play to win in such a case.

This chapter deals with the pre-processing of data in scikit-learn. Some questions you can ask about your dataset are as follows:

  • Are there missing values in your dataset?
  • Are there outliers (points far away from the others) in your set?
  • What are the variables...
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scikit-learn Cookbook - Second Edition
Published in: Nov 2017Publisher: PacktISBN-13: 9781787286382
© 2017 Packt Publishing Limited All Rights Reserved

Author (1)

author image
Trent Hauck

Trent Hauck is a data scientist living and working in the Seattle area. He grew up in Wichita, Kansas and received his undergraduate and graduate degrees from the University of Kansas. He is the author of the book Instant Data Intensive Apps with pandas How-to, Packt Publishing—a book that can get you up to speed quickly with pandas and other associated technologies.
Read more about Trent Hauck

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