R: Unleash Machine Learning Techniques. Smarter data analytics

Brett Lantz, Cory Lesmeister, Dipanjan Sarkar, Raghav Bali

R is the established language of data analysts and statisticians around the world. And you shouldn’t be afraid to use it…This Learning Path will take you through the fundamentals of R and demonstrate how to use the language to solve a diverse range of challenges through machine learning. Accessible yet comprehensive, it provides you with everything you need to become more a more fluent data professional, and more confident with R. In the first module you’ll get to grips with the fundamentals of R. This means you’ll be taking a look at some of the details of how the language works, before seeing how to put your knowledge into practice to build some simple machine learning projects that could prove useful for a range of real world problems.For the following two modules we’ll begin to investigate machine learning algorithms in more detail. To build upon the basics, you’ll get to work on three different projects that will test your skills. Covering some of the most important algorithms and featuring some of the most popular R packages, they’re all focused on solving real problems in different areas, ranging from finance to social media.This Learning Path has been curated from three Packt products:• R Machine Learning By Example By Raghav Bali, Dipanjan Sarkar• Machine Learning with R - Second Edition By Brett Lantz• Mastering Machine Learning with R By Cory Lesmeister

Object-Oriented Programming with Swift 2. Click here to enter text

Gaston C. Hillar

Object-Oriented Programming (OOP) is a programming paradigm based on the concept of objects; these are data structures that contain data in the form of fields, often known as attributes and code. Objects are everywhere, and so it is very important to recognize elements, known as objects, from real-world situations and know how they can easily be translated into object-oriented code.Object-Oriented Programming with Swift is an easy-to-follow guide packed full of hands-on examples of solutions to common problems encountered with object-oriented code in Swift. It starts by helping you to recognize objects using real-life scenarios and demonstrates how working with them makes it simpler to write code that is easy to understand and reuse. You will learn to protect and hide data with the data encapsulation features of Swift. Then, you will explore how to maximize code reuse by writing code capable of working with objects of different types. After that, you'll discover the power of parametric polymorphism and will combine generic code with inheritance and multiple inheritance. Later, you move on to refactoring your existing code and organizing your source for easy maintenance and extensions.By the end of the book, you will be able to create better, stronger, and more reusable code, which will help you build better applications.

Agile Project Management with GreenHopper 6 Blueprints. Written by an Agile enthusiast, this comprehensive guide to GreenHopper will help you track and manage your projects in a way that achieves the best value for your team. Excellent reading for everybody from stakeholders to scrum masters

Jaibeer Malik

Agile methodologies like Scrum focus on customer values in an incremental way. Regular planning, tracking, reporting, and improving can become equally challenging from a project management perspective. GreenHopper is a tooling support for JIRA that offers easy adoption of agile practices through rich interfaces for effective team collaboration and project management.Agile Project Management with GreenHopper 6 Blueprints is a step-by-step guide that teaches you how to manage agile projects using the GreenHopper tooling system. With easy adoption using pre-sets for Scrum & Kanban, the rich interface focuses on the work at hand, increasing team productivity. Executing sprints, tracking sprints, and reporting on agile projects has never been so easy. The integration with different development environments helps teams to focus on collaboration, communication, and continuous improvement. This book covers agile project management concepts using GreenHopper.You will learn about backlog management for your agile team, how to create projects and boards for your agile team, and how to create new backlog items, prioritize items, estimate backlog items, create sprints, and update technical task status and report on the same.You will learn everything you need to know about managing an agile project using GreenHopper and how to achieve the best value for your team.

Practical Web Development. Learn CSS, JavaScript, PHP, and more with this vital guide to modern web development

Paul Wellens

UI Testing with Puppeteer. Implement end-to-end testing and browser automation using JavaScript and Node.js

Dario Kondratiuk

Puppeteer is an open source web automation library created by Google to perform tasks such as end-to-end testing, performance monitoring, and task automation with ease. Using real-world use cases, this book will take you on a pragmatic journey, helping you to learn Puppeteer and implement best practices to take your automation code to the next level!Starting with an introduction to headless browsers, this book will take you through the foundations of browser automation, showing you how far you can get using Puppeteer to automate Google Chrome and Mozilla Firefox. You’ll then learn the basics of end-to-end testing and understand how to create reliable tests. You’ll also get to grips with finding elements using CSS selectors and XPath expressions. As you progress through the chapters, the focus shifts to more advanced browser automation topics such as executing JavaScript code inside the browser. You’ll learn various use cases of Puppeteer, such as mobile devices or network speed testing, gauging your site’s performance, and using Puppeteer as a web scraping tool.By the end of this UI testing book, you’ll have learned how to make the most of Puppeteer’s API and be able to apply it in your real-world projects.

Microsoft Visio 2013 Business Process Diagramming and Validation. Using Microsoft Visio to visualize business information is a huge aid to comprehension and clarity. Learn how with this practical guide to process diagramming and validation, written as a practical tutorial with sample code and demos. - Second Edition

David Parker

Microsoft Visio is a diagramming program which ultimately allows business professionals to explore and communicate complex information more effectively. Through easy-to-understand visual representations, Visio enables you to present complicated data in a clear and communicative way. Therefore, productivity is increased by utilizing the wide variety of diagrams that can convey information at a glance as data can be understood and acted upon quickly. This book enables business developers to unleash the full potential of Visio 2013 Professional Edition.Microsoft Visio 2013 Business Process Diagramming and Validation is a focused tutorial with a range of practical examples and downloadable code that shows you how to create business process diagramming templates with Visio, enabling you to effectively visualize business information. It draws on real business examples and needs and covers all the new features of Visio 2013 Professional Edition.This focused tutorial will enable you to get to grips with diagram validation in Visio 2013 Professional Edition to the fullest extent, enabling you to perform powerful automatic diagram verification based on custom logic and assuring correct and compliant diagrams. You will learn how to create and publish rules and how to use the ShapeSheet to write formulae. There is also a special focus on extending and enhancing the capabilities of Visio 2013 diagram validation and on features that are not found in the out-of-the-box product, like installing and using the new Rules Tools add-on complete with source code, reviewing the new diagramming rules in flowcharts and BPMN templates, and creating your own enhanced Data Flow Model Diagram template complete with validation rules.Microsoft Visio 2013 Business Process Diagramming and Validation begins by covering the basic functions of Visio 2013 before moving on to discuss how to formulate your own validation rules and how to use the Visio Object Model. ShapeSheet functions are explored in detail as well as how to create validation rule sets and visualizing issues, with practical demonstrations along the way. It also covers integration with SharePoint 2013 and Office365 and how to build a Rules Tools add-on using C#, how to create test and filter expressions, and how to publish validation rules for others to use. Finally, the book concludes with the creation and implementation of a new RuleSet for Data Flow Model Diagrams with a worked example. By following the practical and immediately deployable examples found in this book, you will successfully learn how to use the features of Microsoft Visio 2013 and how to extend the functionality provided in the box.

Hands-On Vision and Behavior for Self-Driving Cars. Explore visual perception, lane detection, and object classification with Python 3 and OpenCV 4

Luca Venturi, Krishtof Korda

The visual perception capabilities of a self-driving car are powered by computer vision. The work relating to self-driving cars can be broadly classified into three components - robotics, computer vision, and machine learning. This book provides existing computer vision engineers and developers with the unique opportunity to be associated with this booming field.You will learn about computer vision, deep learning, and depth perception applied to driverless cars. The book provides a structured and thorough introduction, as making a real self-driving car is a huge cross-functional effort. As you progress, you will cover relevant cases with working code, before going on to understand how to use OpenCV, TensorFlow and Keras to analyze video streaming from car cameras. Later, you will learn how to interpret and make the most of lidars (light detection and ranging) to identify obstacles and localize your position. You’ll even be able to tackle core challenges in self-driving cars such as finding lanes, detecting pedestrian and crossing lights, performing semantic segmentation, and writing a PID controller.By the end of this book, you’ll be equipped with the skills you need to write code for a self-driving car running in a driverless car simulator, and be able to tackle various challenges faced by autonomous car engineers.

The Art of Modern PHP 8. Learn how to write modern, performant, and enterprise-ready code with the latest PHP features and practices

Joseph Edmonds, Lorna Jane Mitchell

PHP has come a long way since its introduction. While the language has evolved with PHP 8, there are still a lot of websites running on a version of PHP that is no longer supported. If you are a PHP developer working with legacy PHP systems and want to discover the tenants of modern PHP, this is the book for you.The Art of Modern PHP 8 walks you through the latest PHP features and language concepts. The book helps you upgrade your knowledge of PHP programming and practices. Starting with object-oriented programming (OOP) in PHP and related language features, you'll work through modern programming techniques such as inheritance, understand how it contrasts with composition, and finally look at more advanced language features. You'll learn about the MVC pattern by developing your own MVC system and advance to understanding what a DI container does by building a toy DI container. The book gives you an overview of Composer and how to use it to create reusable PHP packages. You’ll also find techniques for deploying these packages to package libraries for other developers to explore.By the end of this PHP book, you'll have equipped yourself with modern server-side programming techniques using the latest versions of PHP.