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Julia for Data Science

You're reading from   Julia for Data Science high-performance computing simplified

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Product type Paperback
Published in Sep 2016
Publisher Packt
ISBN-13 9781785289699
Length 346 pages
Edition 1st Edition
Languages
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Author (1):
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Anshul Joshi Anshul Joshi
Author Profile Icon Anshul Joshi
Anshul Joshi
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Table of Contents (12) Chapters Close

Preface 1. The Groundwork – Julia's Environment 2. Data Munging FREE CHAPTER 3. Data Exploration 4. Deep Dive into Inferential Statistics 5. Making Sense of Data Using Visualization 6. Supervised Machine Learning 7. Unsupervised Machine Learning 8. Creating Ensemble Models 9. Time Series 10. Collaborative Filtering and Recommendation System 11. Introduction to Deep Learning

Chapter 4. Deep Dive into Inferential Statistics

Our world is a big data generating machine. These day-to-day activities consist of random and complex events that can be used to better understandUnivariate distributions: Normal, gamma, binomial the world. To achieve this, we will try to gain a deeper understanding of the processes.

Inferential statistics is to reach to a conclusion on the basis of evidence and reasoning gained from the sample data that is generalized for the population. Inferential statistics considers that there will be some sampling errors, which means the sample that we have drawn from the population may not be perfectly representing the population.

Inferential statistics include:

  • Estimation
  • Hypothesis testing

What is the difference between a sample and population? A population is a collection of all the events or observations about which we want want to gain knowledge. But its size can be so huge that it is not always convenient or feasible to analyze every event...

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