Python
Aldrin Yim, Claire Chung, Allen Yu
Python is a general-purpose programming language increasingly being used for data analysis and visualization. Matplotlib is a popular data visualization package in Python used to design effective plots and graphs. This is a practical, hands-on resource to help you visualize data with Python using the Matplotlib library. Matplotlib for Python Developers, Second Edition shows you how to create attractive graphs, charts, and plots using Matplotlib. You will also get a quick introduction to third-party packages, Seaborn, Pandas, Basemap, and Geopandas, and learn how to use them with Matplotlib. After that, you’ll embed and customize your plots in third-party tools such as GTK+3, Qt 5, and wxWidgets. You’ll also be able to tweak the look and feel of your visualization with the help of practical examples provided in this book. Further on, you’ll explore Matplotlib 2.1.x on the web, from a cloud-based platform using third-party packages such as Django. Finally, you will integrate interactive, real-time visualization techniques into your current workflow with the help of practical real-world examples.By the end of this book, you’ll be thoroughly comfortable with using the popular Python data visualization library Matplotlib 2.1.x and leveraging its power to build attractive, insightful, and powerful visualizations.
Patrick Sarsfield, Brandi Locker, Adam Mico
Tableau Server is a business intelligence application that provides a centralized location to store, edit, share, and collaborate on content, such as dashboards and curated data sources. This book gets you up and running with Tableau Server to help you increase end-user engagement for your published work as well as reduce or eliminate redundant tasks.You’ll explore Tableau Server's structure and how to get started by connecting, publishing content, and navigating the software interface. Next, you’ll learn when and how to update the settings of your content at various levels to best utilize Tableau Server’s features. You’ll understand how to interact with the Tableau Server interface to locate, sort, filter, manage and customize content. Later, the book shows you how to leverage other valuable features that enable you and your audience to share, download, and interact with content on Tableau Server. As you progress, you’ll cover principles to increase the performance of your published content. All along, the book shows you how to navigate, interact with, and use Tableau Server with the help of engaging examples and best practices shared by recognized Tableau professionals.By the end of this Tableau book, you’ll have a solid understanding of how to use Tableau Server to manage content, automate tasks, and increase end-user engagement.
Marwan Alsabbagh
MicroPython is an open source implementation of Python 3 that runs in embedded environments. With MicroPython, you can write clean and simple Python code to control hardware instead of using complex low-level languages such as C and C++. This book guides you through all the major applications of the MicroPython platform to build and program projects that use microcontrollers.This MicroPython book covers recipes that will help you experiment with the programming environment and hardware programmed in MicroPython. You'll find tips and techniques for building a variety of objects and prototypes that can sense and respond to touch, sound, position, heat, and light. This book will take you through the uses of MicroPython with a variety of popular input devices and sensors. You'll learn techniques to handle time delays and sensor readings, and apply advanced coding techniques to create complex projects. As you advance, you'll deal with Internet of Things (IoT) devices and integration with other online web services. In addition to this, you'll use MicroPython to make music with bananas and create portable multiplayer video games that incorporate sound and light animations into the gameplay.By the end of this book, you'll have mastered the tips and tricks to troubleshoot your development problems and take your MicroPython project to the next level.
Jacob Beningo
With the increasing complexity of embedded systems seen over the past few years, developers are looking for ways to manage them easily by solving problems without spending a lot of time on finding supported peripherals. MicroPython is an efficient and lean implementation of the Python 3 programming language, which is optimized to run on microcontrollers. MicroPython Projects will guide you in building and managing your embedded systems with ease.This book is a comprehensive project-based guide that will help you build a wide range of projects and give you the confidence to design complex projects spanning new areas of technology such as electronic applications, automation devices, and IoT applications. While building seven engaging projects, you'll learn how to enable devices to communicate with each other, access and control devices over a TCP/IP socket, and store and retrieve data. The complexity will increase progressively as you work on different projects, covering areas such as driver design, sensor interfacing, and MicroPython kernel customization.By the end of this MicroPython book, you'll be able to develop industry-standard embedded systems and keep up with the evolution of the Internet of Things.
Bhavik Merchant, Christopher Webb
This book comprehensively covers every layer of Power BI, from the report canvas to data modeling, transformations, storage, and architecture.Developers and architects working with any area of Power BI will be able to put their knowledge to work with this practical guide to design and implement at every stage of the analytics solution development process. This book is not only a unique collection of best practices and tips, but also provides you with a hands-on approach to identifying and fixing common performance issues.Complete with explanations of essential concepts and practical examples, you’ll learn about common design choices that affect performance and consume more resources and how to avoid these problems. You’ll grasp the general architectural issues and settings that broadly affect most solutions. As you progress, you’ll walk through each layer of a typical Power BI solution, learning how to ensure your designs can handle scale while not sacrificing usability. You’ll focus on the data layer and then work your way up to report design. We will also cover Power BI Premium and load testing.By the end of this Power BI book, you’ll be able to confidently maintain well-performing Power BI solutions with reduced effort and know how to use freely available tools and a systematic process to monitor and diagnose performance problems.
Devin Knight, Mitchell Pearson, Bradley Schacht, Erin...
This revised edition has been fully updated to reflect the latest enhancements to Power BI. It includes a new chapter dedicated to dataflow, and covers all the essential concepts such as installation, designing effective data models, as well as building basic dashboards and visualizations to help you and your organization make better business decisions.You’ll learn how to obtain data from a variety of sources and clean it using Power BI Query Editor. You’ll then find out how you can design your data model to navigate and explore relationships within it and build DAX formulas to make your data easier to work with. Visualizing your data is a key element in this book, and you’ll get to grips rapidly with data visualization styles and enhanced digital storytelling techniques. In addition, you will acquire the skills to build your own dataflows, understand the Common Data Model, and automate data flow refreshes to eradicate data cleansing inefficiency.This guide will help you understand how to administer your organization's Power BI environment so that deployment can be made seamless, data refreshes can run properly, and security can be fully implemented.By the end of this Power BI book, you’ll have a better understanding of how to get the most out of Power BI to perform effective business intelligence.
Minikomputer Onion Omega 2. Internet rzeczy i inne zastosowania
Wolfram Donat
Minikomputer Onion Omega 2 jest jedną z ciekawszych propozycji na rynku małych urządzeń jednopłytkowych (SBC). Został opracowany do zastosowań w internecie rzeczy. Działa pod kontrolą jednej z odmian Linuksa, systemu OpenWrt. Ma niewielkie rozmiary (43x26x10 mm), jego procesor MIPS pracuje z częstotliwością 580 MHz, może obsłużyć pamięć RAM do 256 MB i czytnik kart SD. Radzi sobie z kilkoma różnymi protokołami łączności, dzięki czemu bez trudu można go podłączyć do zwykłego komputera i komunikować się z nim za pomocą konsoli wyświetlanej w przeglądarce. Możliwości "cebuli" można łatwo rozszerzać za pomocą dostępnych płytek i modułów. To świetna propozycja dla każdego amatora elektroniki i robotyki! Ta książka jest wyjątkowo zwięzłym, a przy tym przystępnie napisanym i praktycznym podręcznikiem, dzięki któremu błyskawicznie uzyskasz wiedzę potrzebną do uruchomienia minikomputera Onion Omega 2 i rozpoczęcia pracy. Aby wykonać opisane tu projekty, potrzebujesz minikomputera Omega 2, modułu zasilającego, rozszerzenia przekaźnikowego i rozszerzenia z ekranem OLED. Przyda się też podstawowa znajomość Linuksa i Pythona. Dzięki książce w krótkim czasie poszerzysz horyzonty, zdobędziesz kilka nowych umiejętności, nauczysz się pracy z komponentami sprzętowymi - i będziesz gotów, by w pełni samodzielnie przygotować i wykonać kolejne projekty z zastosowaniem tego świetnego minikomputera. Najważniejsze zagadnienia: montaż i konfiguracja minikomputera konsola Onion Omegi zastosowanie Pythona własne projekty: "Tweetująca cebula" i "Światłolub" Onion Omega 2: pasjonująca droga do internetu rzeczy!
Karthikeyan NG, Arun Padmanabhan, Matt R. Cole
We’re witnessing a revolution in Artificial Intelligence, thanks to breakthroughs in deep learning. Mobile Artificial Intelligence Projects empowers you to take part in this revolution by applying Artificial Intelligence (AI) techniques to design applications for natural language processing (NLP), robotics, and computer vision.This book teaches you to harness the power of AI in mobile applications along with learning the core functions of NLP, neural networks, deep learning, and mobile vision. It features a range of projects, covering tasks such as real-estate price prediction, recognizing hand-written digits, predicting car damage, and sentiment analysis. You will learn to utilize NLP and machine learning algorithms to make applications more predictive, proactive, and capable of making autonomous decisions with less human input. In the concluding chapters, you will work with popular libraries, such as TensorFlow Lite, CoreML, and PyTorch across Android and iOS platforms.By the end of this book, you will have developed exciting and more intuitive mobile applications that deliver a customized and more personalized experience to users.