Big data
Amin Ahmadi Tazehkandi
Developers have been using OpenCV library to develop computer vision applications for a long time. However, they now need a more effective tool to get the job done and in a much better and modern way. Qt is one of the major frameworks available for this task at the moment. This book will teach you to develop applications with the combination of OpenCV 3 and Qt5, and how to create cross-platform computer vision applications. We’ll begin by introducing Qt, its IDE, and its SDK. Next you’ll learn how to use the OpenCV API to integrate both tools, and see how to configure Qt to use OpenCV. You’ll go on to build a full-fledged computer vision application throughout the book. Later, you’ll create a stunning UI application using the Qt widgets technology, where you’ll display the images after they are processed in an efficient way. At the end of the book, you’ll learn how to convert OpenCV Mat to Qt QImage. You’ll also see how to efficiently process images to filter them, transform them, detect or track objects as well as analyze video. You’ll become better at developing OpenCV applications.
Continuing Financial Modelling. Advanced Techniques and Insights for Modern Financial Modelling
MrExcel's Holy Macro! Books, Liam Bastick
This book provides a thorough exploration of advanced financial modeling techniques, designed to elevate the skills of finance professionals. Starting with a recap of essential concepts, it progresses into dynamic 'What-If?' analysis, advanced forecasting methods, and inventory modeling. The focus is on practical applications, ensuring readers can implement the techniques immediately.Topics such as capital expenditure, debt calculations, and valuation are covered in detail, including DCF and MIRR analysis. The book emphasizes accuracy and efficiency in financial models, offering insights into refining forecasts and linking complex models. With a focus on sensitivity analysis and scenario planning, readers gain tools to handle real-world financial challenges.The final chapters delve into advanced Excel functions like XLOOKUP, dynamic arrays, and scenario-building tools. Best practices for maintaining model accuracy, reducing file sizes, and creating professional models are thoroughly discussed. This guide equips readers with the expertise to manage complex financial modeling tasks confidently.
Xiaoquan Kong, Guan Wang, Alan Nichol
The Rasa framework enables developers to create industrial-strength chatbots using state-of-the-art natural language processing (NLP) and machine learning technologies quickly, all in open source.Conversational AI with Rasa starts by showing you how the two main components at the heart of Rasa work – Rasa NLU (natural language understanding) and Rasa Core. You'll then learn how to build, configure, train, and serve different types of chatbots from scratch by using the Rasa ecosystem. As you advance, you'll use form-based dialogue management, work with the response selector for chitchat and FAQ-like dialogs, make use of knowledge base actions to answer questions for dynamic queries, and much more. Furthermore, you'll understand how to customize the Rasa framework, use conversation-driven development patterns and tools to develop chatbots, explore what your bot can do, and easily fix any mistakes it makes by using interactive learning. Finally, you'll get to grips with deploying the Rasa system to a production environment with high performance and high scalability and cover best practices for building an efficient and robust chat system.By the end of this book, you'll be able to build and deploy your own chatbots using Rasa, addressing the common pain points encountered in the chatbot life cycle.
Alex Büchner
Moodle Workplace is a comprehensive extension to Standard Moodle, the world's most used learning management system (LMS) platform, empowering millions of learners worldwide. Moodle Workplace is suitable for businesses and organizations, from small enterprises to global corporations.Corporate Learning with Moodle Workplace is a comprehensive introduction to this latest product from Moodle, which facilitates collaborative learning in enterprises and larger teams. Complete with detailed descriptions, a variety of diagrams, and real working examples, this easy-to-follow guide will teach you everything you need to know to manage a Moodle Workplace system. You’ll learn how to manage your users along reporting lines and organize them in to tenants, organizations, positions, job assignments, and teams, before setting up typical HR processes such as induction, compliance, and reporting. Filled with real-world examples, the book covers blended and offline scenarios, including appointments and the Moodle Workplace mobile app.By the end of this Moodle book, you’ll have learned how to fully manage a Moodle Workplace instance.
Kedeisha Bryan, Taamir Ransome
Preparing for a data engineering interview can often get overwhelming due to the abundance of tools and technologies, leaving you struggling to prioritize which ones to focus on. This hands-on guide provides you with the essential foundational and advanced knowledge needed to simplify your learning journey.The book begins by helping you gain a clear understanding of the nature of data engineering and how it differs from organization to organization. As you progress through the chapters, you’ll receive expert advice, practical tips, and real-world insights on everything from creating a resume and cover letter to networking and negotiating your salary. The chapters also offer refresher training on data engineering essentials, including data modeling, database architecture, ETL processes, data warehousing, cloud computing, big data, and machine learning. As you advance, you’ll gain a holistic view by exploring continuous integration/continuous development (CI/CD), data security, and privacy. Finally, the book will help you practice case studies, mock interviews, as well as behavioral questions.By the end of this book, you will have a clear understanding of what is required to succeed in an interview for a data engineering role.
Julian Villafuerte
QlikView is one of the most powerful analytical tools in the market. Based on an in-memory associative model, it lets users freely navigate through the data, spot trends and make better decisions. This platform is capable of integrating a wide range of data sources like ERP systems, data warehouses or spreadsheets into a single application in order display dashboards with state-of-the-art visualizations.Creating Stunning Dashboards with QlikView is an easy to follow handbook that guides you through the process of creating an effective and engaging dashboard that delivers tangible value to the business. It starts with the identification of the business needs and the definition of the main KPIs, and takes you all the way to the application rollout.Throughout the book, you will learn how to apply some of the best practices in the field of data visualization, create a robust navigation schema, chose the best chart types for each scenario and many other things that will help you create effective dashboards that uncover all the stories behind the data.
MrExcel's Holy Macro! Books, Mike Girvin
Excel users often encounter limitations with standard formulas, but the Ctrl+Shift+Enter technique changes everything. This book is your gateway to mastering Excel array formulas, revealing their potential to solve complex problems effortlessly. You'll start with the basics, understand the fundamental concepts of array formulas, and gradually progress to advanced applications, including mathematical operations, comparative calculations, and dynamic ranges.Each chapter is crafted to build your confidence and expertise. From performing array operations that manipulate large datasets efficiently to utilizing advanced functions like SUMPRODUCT and AGGREGATE, you will learn how to apply these tools to real-world scenarios. The guide also covers the creation of dynamic ranges with INDEX and OFFSET, ensuring your formulas remain flexible and powerful even as your data changes.By the end of the book, you'll not only understand the theoretical aspects of array formulas but also possess the practical skills to implement them effectively. Whether you're creating complex financial models, conducting detailed data analysis, or automating routine tasks, this guide equips you with the knowledge to transform your Excel capabilities and achieve more with less effort.
D3.js 4.x Data Visualization. Learn to visualize your data with JavaScript - Third Edition
Aendrew Rininsland , Swizec Teller
Want to get started with impressive interactive visualizations and implement them in your daily tasks? This book offers the perfect solution-D3.js. It has emerged as the most popular tool for data visualization. This book will teach you how to implement the features of the latest version of D3 while writing JavaScript using the newest tools and techniqueYou will start by setting up the D3 environment and making your first basic bar chart. You will then build stunning SVG and Canvas-based data visualizations while writing testable, extensible code,as accurate and informative as it is visually stimulating. Step-by-step examples walk you through creating, integrating, and debugging different types of visualization and will have you building basic visualizations (such as bar, line, and scatter graphs) in no time.By the end of this book, you will have mastered the techniques necessary to successfully visualize data and will be ready to use D3 to transform any data into an engaging and sophisticated visualization.