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

Product type Paperback

Published in Sep 2021

Publisher Packt

ISBN-13 9781801070850

Length 476 pages

Edition 1st Edition

Languages

JavaScript

Tools

Danfo.js

Concepts

Data Analysis

Authors (2):

Stephen Oni

Rising Odegua

View More author details

Table of Contents (18) Chapters

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

Chapter 3: Getting Started with Danfo.js

The Python data science and machine learning ecosystem is very mature when compared to other programming languages, but when it comes to data presentation and the client side, JavaScript reigns supreme. From its robust data presentation tools to its ready availability in the browser to ease of setup, JavaScript is always recommended.

In this chapter, we will introduce you to the Danfo.js library, thus giving you an efficient tool for data analysis and manipulation in JavaScript. We'll cover the core data structures of Danfo.js – DataFrames and Series. We'll show you how to load different types of files, such as JSON, Excel, and CSV, into Danfo.js, and finally, you'll learn about some important functions available in Danfo.js that make data analysis and preprocessing in JavaScript easier.

In this chapter, we will cover the following topics: