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The Data Science Workshop

The Data Science Workshop

By : Anthony So , Thomas Joseph, Robert Thas John, Andrew Worsley , Dr. Samuel Asare
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The Data Science Workshop

The Data Science Workshop

3 (2)
By: Anthony So , Thomas Joseph, Robert Thas John, Andrew Worsley , Dr. Samuel Asare

Overview of this book

Where there’s data, there’s insight. With so much data being generated, there is immense scope to extract meaningful information that’ll boost business productivity and profitability. By learning to convert raw data into game-changing insights, you’ll open new career paths and opportunities. The Data Science Workshop begins by introducing different types of projects and showing you how to incorporate machine learning algorithms in them. You’ll learn to select a relevant metric and even assess the performance of your model. To tune the hyperparameters of an algorithm and improve its accuracy, you’ll get hands-on with approaches such as grid search and random search. Next, you’ll learn dimensionality reduction techniques to easily handle many variables at once, before exploring how to use model ensembling techniques and create new features to enhance model performance. In a bid to help you automatically create new features that improve your model, the book demonstrates how to use the automated feature engineering tool. You’ll also understand how to use the orchestration and scheduling workflow to deploy machine learning models in batch. By the end of this book, you’ll have the skills to start working on data science projects confidently. By the end of this book, you’ll have the skills to start working on data science projects confidently.
Table of Contents (16 chapters)
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Preface
12
12. Feature Engineering

Application of Data Science

As mentioned in the introduction, data science is a multidisciplinary approach to analyzing and identifying complex patterns and extracting valuable insights from data. Running a data science project usually involves multiple steps, including the following:

  1. Defining the business problem to be solved
  2. Collecting or extracting existing data
  3. Analyzing, visualizing, and preparing data
  4. Training a model to spot patterns in data and make predictions
  5. Assessing a model's performance and making improvements
  6. Communicating and presenting findings and gained insights
  7. Deploying and maintaining a model

As its name implies, data science projects require data, but it is actually more important to have defined a clear business problem to solve first. If it's not framed correctly, a project may lead to incorrect results as you may have used the wrong information, not prepared the data properly, or led a model to learn the...

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