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Building Data-Driven Applications with Danfo.js

You're reading from   Building Data-Driven Applications with Danfo.js A practical guide to data analysis and machine learning using JavaScript

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Product type Paperback
Published in Sep 2021
Publisher Packt
ISBN-13 9781801070850
Length 476 pages
Edition 1st Edition
Languages
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Authors (2):
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Stephen Oni Stephen Oni
Author Profile Icon Stephen Oni
Stephen Oni
Rising Odegua Rising Odegua
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Rising Odegua
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Table of Contents (18) Chapters Close

Preface 1. Section 1: The Basics
2. Chapter 1: An Overview of Modern JavaScript FREE CHAPTER 3. Section 2: Data Analysis and Manipulation with Danfo.js and Dnotebook
4. Chapter 2: Dnotebook - An Interactive Computing Environment for JavaScript 5. Chapter 3: Getting Started with Danfo.js 6. Chapter 4: Data Analysis, Wrangling, and Transformation 7. Chapter 5: Data Visualization with Plotly.js 8. Chapter 6: Data Visualization with Danfo.js 9. Chapter 7: Data Aggregation and Group Operations 10. Section 3: Building Data-Driven Applications
11. Chapter 8: Creating a No-Code Data Analysis/Handling System 12. Chapter 9: Basics of Machine Learning 13. Chapter 10: Introduction to TensorFlow.js 14. Chapter 11: Building a Recommendation System with Danfo.js and TensorFlow.js 15. Chapter 12: Building a Twitter Analysis Dashboard 16. Chapter 13: Appendix: Essential JavaScript Concepts 17. Other Books You May Enjoy

Building a simple regression model with TensorFlow.js

In the previous chapter, Chapter 9, Basics of Machine Learning, you were introduced to the basics of ML, especially the theoretical aspect of regression and classification models. In this section, we'll show you how to create and train a regression model using tfjs LayerAPI. Specifically, by the end of this section, you'll have a regression model that can predict sales prices from supermarket data.

Setting up your environment locally

Before building the regression model, you have to set up your environment locally. In this section, we'll be working in a Node.js environment. This means that we'll be using the node version of TensorFlow.js and Danfo.js.

Follow the steps here to set up your environment:

  1. In a new work directory, create a folder for your project. We will create one called sales_predictor, as demonstrated in the following code snippet:
    mkdir sales_predictor
    cd sales_predictor
  2. Next...
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