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The Data Science Workshop

You're reading from   The Data Science Workshop Learn how you can build machine learning models and create your own real-world data science projects

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Product type Paperback
Published in Aug 2020
Publisher Packt
ISBN-13 9781800566927
Length 824 pages
Edition 2nd Edition
Languages
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Authors (5):
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Robert Thas John Robert Thas John
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Robert Thas John
Thomas Joseph Thomas Joseph
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Thomas Joseph
Anthony So Anthony So
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Anthony So
Dr. Samuel Asare Dr. Samuel Asare
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Dr. Samuel Asare
Andrew Worsley Andrew Worsley
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Andrew Worsley
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Table of Contents (16) Chapters Close

Preface
1. Introduction to Data Science in Python 2. Regression FREE CHAPTER 3. Binary Classification 4. Multiclass Classification with RandomForest 5. Performing Your First Cluster Analysis 6. How to Assess Performance 7. The Generalization of Machine Learning Models 8. Hyperparameter Tuning 9. Interpreting a Machine Learning Model 10. Analyzing a Dataset 11. Data Preparation 12. Feature Engineering 13. Imbalanced Datasets 14. Dimensionality Reduction 15. Ensemble Learning

Introduction

In the previous chapter on balancing datasets, we dealt with the Bank Marketing dataset, which had 18 variables. We were able to load that dataset very easily, fit a model, and get results. But have you considered the scenario when the number of variables you have to deal with is large, say around 18 million instead of the 18 you dealt with in the last chapter? How do you load such large datasets and analyze them? How do you deal with the computing resources required for modeling with such large datasets?

This is the reality in some modern-day datasets in domains such as:

  • Healthcare, where genetics datasets can have millions of features
  • High-resolution imaging datasets
  • Web data related to advertisements, ranking, and crawling

When dealing with such huge datasets, many challenges can arise:

  • Storage and computation challenges: Large datasets with high dimensions require a lot of storage and expensive computational resources for analysis...
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