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Data Wrangling with R

Data Wrangling with R

By : Gustavo R Santos, Gustavo Santos
4.9 (7)
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Data Wrangling with R

Data Wrangling with R

4.9 (7)
By: Gustavo R Santos, Gustavo Santos

Overview of this book

In this information era, where large volumes of data are being generated every day, companies want to get a better grip on it to perform more efficiently than before. This is where skillful data analysts and data scientists come into play, wrangling and exploring data to generate valuable business insights. In order to do that, you’ll need plenty of tools that enable you to extract the most useful knowledge from data. Data Wrangling with R will help you to gain a deep understanding of ways to wrangle and prepare datasets for exploration, analysis, and modeling. This data book enables you to get your data ready for more optimized analyses, develop your first data model, and perform effective data visualization. The book begins by teaching you how to load and explore datasets. Then, you’ll get to grips with the modern concepts and tools of data wrangling. As data wrangling and visualization are intrinsically connected, you’ll go over best practices to plot data and extract insights from it. The chapters are designed in a way to help you learn all about modeling, as you will go through the construction of a data science project from end to end, and become familiar with the built-in RStudio, including an application built with Shiny dashboards. By the end of this book, you’ll have learned how to create your first data model and build an application with Shiny in R.
Table of Contents (21 chapters)
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1
Part 1: Load and Explore Data
5
Part 2: Data Wrangling
12
Part 3: Data Visualization
16
Part 4: Modeling

Learning the basics of Shiny

Shiny for R was launched in 2012 by Winston Chang as a package to help R developers to create interactive UIs for R scripts. This way, the developers can not only create models, but also share them with other people via an application. Currently, Shiny is on version 1.7.0 and is more robust than ever, expanding its horizons to other programming languages.

As a side note, let’s define an application, since we will use this term a lot in this chapter. An application, or just app, is software created via programming language to solve a problem. It performs a task, such as text editing, web browsing, or translation. A web application is just an app on the internet, such as the many websites where we can do things and interact, such as document creation, photo editing, or design creation.

Among the options available on the market, Shiny stands out for being a complete solution for the developer, offering many gadgets that can be added to applications...

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