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The Supervised Learning Workshop

The Supervised Learning Workshop - Second Edition

By : Blaine Bateman, Ashish Ranjan Jha, Benjamin Johnston, Ishita Mathur, Tiffany Ford, Sukanya Mandal, Ashish Pratik Patil
4.9 (10)
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The Supervised Learning Workshop

The Supervised Learning Workshop

4.9 (10)
By: Blaine Bateman, Ashish Ranjan Jha, Benjamin Johnston, Ishita Mathur, Tiffany Ford, Sukanya Mandal, Ashish Pratik Patil

Overview of this book

Would you like to understand how and why machine learning techniques and data analytics are spearheading enterprises globally? From analyzing bioinformatics to predicting climate change, machine learning plays an increasingly pivotal role in our society. Although the real-world applications may seem complex, this book simplifies supervised learning for beginners with a step-by-step interactive approach. Working with real-time datasets, you’ll learn how supervised learning, when used with Python, can produce efficient predictive models. Starting with the fundamentals of supervised learning, you’ll quickly move to understand how to automate manual tasks and the process of assessing date using Jupyter and Python libraries like pandas. Next, you’ll use data exploration and visualization techniques to develop powerful supervised learning models, before understanding how to distinguish variables and represent their relationships using scatter plots, heatmaps, and box plots. After using regression and classification models on real-time datasets to predict future outcomes, you’ll grasp advanced ensemble techniques such as boosting and random forests. Finally, you’ll learn the importance of model evaluation in supervised learning and study metrics to evaluate regression and classification tasks. By the end of this book, you’ll have the skills you need to work on your real-life supervised learning Python projects.
Table of Contents (9 chapters)
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Introduction

Say we have a problem statement that involves predicting whether a particular earthquake caused a tsunami. How do we decide what model to use? What do we know about the data we have? Nothing! But if we don't know and understand our data, chances are we'll end up building a model that's not very interpretable or reliable. When it comes to data science, it's important to have a thorough understanding of the data we're dealing with, in order to generate features that are highly informative and, consequently, to build accurate and powerful models. To acquire this understanding, we perform an exploratory analysis of the data to see what the data can tell us about the relationships between the features and the target variable (the value that you are trying to predict using the other variables). Getting to know our data will even help us interpret the model we build and identify ways we can improve its accuracy. The approach we take to achieve this is to allow the data to reveal its structure or model, which helps us gain some new, often unsuspected, insight into the data.

We will first begin with a brief introduction to exploratory data analysis and then progress to explaining summary statistics and central values. This chapter also teaches you how to find and visualize missing values and then describes the various imputation strategies for addressing the problem of missing values. The remainder of the chapter then focuses on visualizations. Specifically, the chapter teaches you how to create various plots such as scatter plot, histograms, pie charts, heatmaps, pairplots and more. Let us begin with exploratory data analysis.

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The Supervised Learning Workshop
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