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Author : Leah Braemel
Publisher : Carina Press
ISBN 13 : 9781426899010
Total Pages : 0 pages
Book Rating : 4.8/5 (99 download)
Download or read book Wrangling the Past written by Leah Braemel and published by Carina Press. This book was released on 2015-12-08 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: Wrangling the Past by Leah Braemel will be available Dec 2015 from Carina Press!
Author : Bradley C. Boehmke, Ph.D.
Publisher : Springer
ISBN 13 : 3319455990
Total Pages : 237 pages
Book Rating : 4.3/5 (194 download)
Download or read book Data Wrangling with R written by Bradley C. Boehmke, Ph.D. and published by Springer. This book was released on 2016-11-17 with total page 237 pages. Available in PDF, EPUB and Kindle. Book excerpt: This guide for practicing statisticians, data scientists, and R users and programmers will teach the essentials of preprocessing: data leveraging the R programming language to easily and quickly turn noisy data into usable pieces of information. Data wrangling, which is also commonly referred to as data munging, transformation, manipulation, janitor work, etc., can be a painstakingly laborious process. Roughly 80% of data analysis is spent on cleaning and preparing data; however, being a prerequisite to the rest of the data analysis workflow (visualization, analysis, reporting), it is essential that one become fluent and efficient in data wrangling techniques. This book will guide the user through the data wrangling process via a step-by-step tutorial approach and provide a solid foundation for working with data in R. The author's goal is to teach the user how to easily wrangle data in order to spend more time on understanding the content of the data. By the end of the book, the user will have learned: How to work with different types of data such as numerics, characters, regular expressions, factors, and dates The difference between different data structures and how to create, add additional components to, and subset each data structure How to acquire and parse data from locations previously inaccessible How to develop functions and use loop control structures to reduce code redundancy How to use pipe operators to simplify code and make it more readable How to reshape the layout of data and manipulate, summarize, and join data sets
Author : Jacqueline Kazil
Publisher : "O'Reilly Media, Inc."
ISBN 13 : 1491948779
Total Pages : 507 pages
Book Rating : 4.4/5 (919 download)
Download or read book Data Wrangling with Python written by Jacqueline Kazil and published by "O'Reilly Media, Inc.". This book was released on 2016-02-04 with total page 507 pages. Available in PDF, EPUB and Kindle. Book excerpt: How do you take your data analysis skills beyond Excel to the next level? By learning just enough Python to get stuff done. This hands-on guide shows non-programmers like you how to process information that’s initially too messy or difficult to access. You don't need to know a thing about the Python programming language to get started. Through various step-by-step exercises, you’ll learn how to acquire, clean, analyze, and present data efficiently. You’ll also discover how to automate your data process, schedule file- editing and clean-up tasks, process larger datasets, and create compelling stories with data you obtain. Quickly learn basic Python syntax, data types, and language concepts Work with both machine-readable and human-consumable data Scrape websites and APIs to find a bounty of useful information Clean and format data to eliminate duplicates and errors in your datasets Learn when to standardize data and when to test and script data cleanup Explore and analyze your datasets with new Python libraries and techniques Use Python solutions to automate your entire data-wrangling process
Author : Tye Rattenbury
Publisher : "O'Reilly Media, Inc."
ISBN 13 : 1491938870
Total Pages : 117 pages
Book Rating : 4.4/5 (919 download)
Download or read book Principles of Data Wrangling written by Tye Rattenbury and published by "O'Reilly Media, Inc.". This book was released on 2017-06-29 with total page 117 pages. Available in PDF, EPUB and Kindle. Book excerpt: A key task that any aspiring data-driven organization needs to learn is data wrangling, the process of converting raw data into something truly useful. This practical guide provides business analysts with an overview of various data wrangling techniques and tools, and puts the practice of data wrangling into context by asking, "What are you trying to do and why?" Wrangling data consumes roughly 50-80% of an analyst’s time before any kind of analysis is possible. Written by key executives at Trifacta, this book walks you through the wrangling process by exploring several factors—time, granularity, scope, and structure—that you need to consider as you begin to work with data. You’ll learn a shared language and a comprehensive understanding of data wrangling, with an emphasis on recent agile analytic processes used by many of today’s data-driven organizations. Appreciate the importance—and the satisfaction—of wrangling data the right way. Understand what kind of data is available Choose which data to use and at what level of detail Meaningfully combine multiple sources of data Decide how to distill the results to a size and shape that can drive downstream analysis
Author : Susan E. McGregor
Publisher : "O'Reilly Media, Inc."
ISBN 13 : 1492091456
Total Pages : 416 pages
Book Rating : 4.4/5 (92 download)
Download or read book Practical Python Data Wrangling and Data Quality written by Susan E. McGregor and published by "O'Reilly Media, Inc.". This book was released on 2021-12-03 with total page 416 pages. Available in PDF, EPUB and Kindle. Book excerpt: The world around us is full of data that holds unique insights and valuable stories, and this book will help you uncover them. Whether you already work with data or want to learn more about its possibilities, the examples and techniques in this practical book will help you more easily clean, evaluate, and analyze data so that you can generate meaningful insights and compelling visualizations. Complementing foundational concepts with expert advice, author Susan E. McGregor provides the resources you need to extract, evaluate, and analyze a wide variety of data sources and formats, along with the tools to communicate your findings effectively. This book delivers a methodical, jargon-free way for data practitioners at any level, from true novices to seasoned professionals, to harness the power of data. Use Python 3.8+ to read, write, and transform data from a variety of sources Understand and use programming basics in Python to wrangle data at scale Organize, document, and structure your code using best practices Collect data from structured data files, web pages, and APIs Perform basic statistical analyses to make meaning from datasets Visualize and present data in clear and compelling ways
Author : Alexander Stille
Publisher : Farrar, Straus and Giroux
ISBN 13 : 1466817097
Total Pages : 374 pages
Book Rating : 4.4/5 (668 download)
Download or read book The Future of the Past written by Alexander Stille and published by Farrar, Straus and Giroux. This book was released on 2003-04-01 with total page 374 pages. Available in PDF, EPUB and Kindle. Book excerpt: An engrossing look at the cultural consequences of technological change and globalization Space radar, infrared photography, carbon dating, DNA analysis, microfilm, digital data bases-we have better technology than ever for studying and preserving the past. And yet the by-products of technology threaten to destroy--in one or two generations--monuments, works of art, and ways of life that have survived thousands of years of hardship and war. This paradox is central to our age. We use the Internet to access and assess infinite amounts of information--but understand less and less of its historical context. Globalization may eventually benefit countries around the world; it will also, almost certainly, lead to the disappearance of hundreds of regional dialects, languages, and whole societies. In The Future of the Past, Alexander Stille takes us on a tour of the past as it exists today and weighs its prospects for tomorrow, from China to Somalia to Washington, D.C. Through incisive portraits of their protagonists, he describes high-tech struggles to save the Great Sphinx and the Ganges; efforts to preserve Latin within the Vatican; the digital glut inside the National Archives, which may have lost more information in the information age than ever before; an oral culture threatened by a "new" technology: writing itself. Wherever it takes him, Stille explores not just the past, but our ideas about the past, how they are changing--and how they will have to change if our past is to have a future.
Author : Chris Albon
Publisher : "O'Reilly Media, Inc."
ISBN 13 : 1491989335
Total Pages : 305 pages
Book Rating : 4.4/5 (919 download)
Download or read book Machine Learning with Python Cookbook written by Chris Albon and published by "O'Reilly Media, Inc.". This book was released on 2018-03-09 with total page 305 pages. Available in PDF, EPUB and Kindle. Book excerpt: This practical guide provides nearly 200 self-contained recipes to help you solve machine learning challenges you may encounter in your daily work. If you’re comfortable with Python and its libraries, including pandas and scikit-learn, you’ll be able to address specific problems such as loading data, handling text or numerical data, model selection, and dimensionality reduction and many other topics. Each recipe includes code that you can copy and paste into a toy dataset to ensure that it actually works. From there, you can insert, combine, or adapt the code to help construct your application. Recipes also include a discussion that explains the solution and provides meaningful context. This cookbook takes you beyond theory and concepts by providing the nuts and bolts you need to construct working machine learning applications. You’ll find recipes for: Vectors, matrices, and arrays Handling numerical and categorical data, text, images, and dates and times Dimensionality reduction using feature extraction or feature selection Model evaluation and selection Linear and logical regression, trees and forests, and k-nearest neighbors Support vector machines (SVM), naïve Bayes, clustering, and neural networks Saving and loading trained models
Author : Måns Thulin
Publisher : CRC Press
ISBN 13 : 9781032512440
Total Pages : 0 pages
Book Rating : 4.5/5 (124 download)
Download or read book Modern Statistics with R written by Måns Thulin and published by CRC Press. This book was released on 2024-08-20 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: The past decades have transformed the world of statistical data analysis, with new methods, new types of data, and new computational tools. Modern Statistics with R introduces you to key parts of this modern statistical toolkit. It teaches you: Data wrangling - importing, formatting, reshaping, merging, and filtering data in R. Exploratory data analysis - using visualisations and multivariate techniques to explore datasets. Statistical inference - modern methods for testing hypotheses and computing confidence intervals. Predictive modelling - regression models and machine learning methods for prediction, classification, and forecasting. Simulation - using simulation techniques for sample size computations and evaluations of statistical methods. Ethics in statistics - ethical issues and good statistical practice. R programming - writing code that is fast, readable, and (hopefully!) free from bugs. No prior programming experience is necessary. Clear explanations and examples are provided to accommodate readers at all levels of familiarity with statistical principles and coding practices. A basic understanding of probability theory can enhance comprehension of certain concepts discussed within this book. In addition to plenty of examples, the book includes more than 200 exercises, with fully worked solutions available at: www.modernstatisticswithr.com.
Author : Geraldine A. Van der Auwera
Publisher : O'Reilly Media
ISBN 13 : 1491975164
Total Pages : 496 pages
Book Rating : 4.4/5 (919 download)
Download or read book Genomics in the Cloud written by Geraldine A. Van der Auwera and published by O'Reilly Media. This book was released on 2020-04-02 with total page 496 pages. Available in PDF, EPUB and Kindle. Book excerpt: Data in the genomics field is booming. In just a few years, organizations such as the National Institutes of Health (NIH) will host 50+ petabytes—or over 50 million gigabytes—of genomic data, and they’re turning to cloud infrastructure to make that data available to the research community. How do you adapt analysis tools and protocols to access and analyze that volume of data in the cloud? With this practical book, researchers will learn how to work with genomics algorithms using open source tools including the Genome Analysis Toolkit (GATK), Docker, WDL, and Terra. Geraldine Van der Auwera, longtime custodian of the GATK user community, and Brian O’Connor of the UC Santa Cruz Genomics Institute, guide you through the process. You’ll learn by working with real data and genomics algorithms from the field. This book covers: Essential genomics and computing technology background Basic cloud computing operations Getting started with GATK, plus three major GATK Best Practices pipelines Automating analysis with scripted workflows using WDL and Cromwell Scaling up workflow execution in the cloud, including parallelization and cost optimization Interactive analysis in the cloud using Jupyter notebooks Secure collaboration and computational reproducibility using Terra
Author : Stefanie Molin
Publisher : Packt Publishing Ltd
ISBN 13 : 1800565917
Total Pages : 788 pages
Book Rating : 4.8/5 (5 download)
Download or read book Hands-On Data Analysis with Pandas written by Stefanie Molin and published by Packt Publishing Ltd. This book was released on 2021-04-29 with total page 788 pages. Available in PDF, EPUB and Kindle. Book excerpt: Get to grips with pandas by working with real datasets and master data discovery, data manipulation, data preparation, and handling data for analytical tasks Key Features Perform efficient data analysis and manipulation tasks using pandas 1.x Apply pandas to different real-world domains with the help of step-by-step examples Make the most of pandas as an effective data exploration tool Book DescriptionExtracting valuable business insights is no longer a ‘nice-to-have’, but an essential skill for anyone who handles data in their enterprise. Hands-On Data Analysis with Pandas is here to help beginners and those who are migrating their skills into data science get up to speed in no time. This book will show you how to analyze your data, get started with machine learning, and work effectively with the Python libraries often used for data science, such as pandas, NumPy, matplotlib, seaborn, and scikit-learn. Using real-world datasets, you will learn how to use the pandas library to perform data wrangling to reshape, clean, and aggregate your data. Then, you will learn how to conduct exploratory data analysis by calculating summary statistics and visualizing the data to find patterns. In the concluding chapters, you will explore some applications of anomaly detection, regression, clustering, and classification using scikit-learn to make predictions based on past data. This updated edition will equip you with the skills you need to use pandas 1.x to efficiently perform various data manipulation tasks, reliably reproduce analyses, and visualize your data for effective decision making – valuable knowledge that can be applied across multiple domains.What you will learn Understand how data analysts and scientists gather and analyze data Perform data analysis and data wrangling using Python Combine, group, and aggregate data from multiple sources Create data visualizations with pandas, matplotlib, and seaborn Apply machine learning algorithms to identify patterns and make predictions Use Python data science libraries to analyze real-world datasets Solve common data representation and analysis problems using pandas Build Python scripts, modules, and packages for reusable analysis code Who this book is for This book is for data science beginners, data analysts, and Python developers who want to explore each stage of data analysis and scientific computing using a wide range of datasets. Data scientists looking to implement pandas in their machine learning workflow will also find plenty of valuable know-how as they progress. You’ll find it easier to follow along with this book if you have a working knowledge of the Python programming language, but a Python crash-course tutorial is provided in the code bundle for anyone who needs a refresher.
Author : Ken Bluttman
Publisher : "O'Reilly Media, Inc."
ISBN 13 : 0596009240
Total Pages : 351 pages
Book Rating : 4.5/5 (96 download)
Download or read book Access Hacks written by Ken Bluttman and published by "O'Reilly Media, Inc.". This book was released on 2005 with total page 351 pages. Available in PDF, EPUB and Kindle. Book excerpt: Subtitle on cover: Tips and tools for wrangling your data.
Author : Antonio Badia
Publisher : Springer Nature
ISBN 13 : 3030575926
Total Pages : 290 pages
Book Rating : 4.0/5 (35 download)
Download or read book SQL for Data Science written by Antonio Badia and published by Springer Nature. This book was released on 2020-11-09 with total page 290 pages. Available in PDF, EPUB and Kindle. Book excerpt: This textbook explains SQL within the context of data science and introduces the different parts of SQL as they are needed for the tasks usually carried out during data analysis. Using the framework of the data life cycle, it focuses on the steps that are very often given the short shift in traditional textbooks, like data loading, cleaning and pre-processing. The book is organized as follows. Chapter 1 describes the data life cycle, i.e. the sequence of stages from data acquisition to archiving, that data goes through as it is prepared and then actually analyzed, together with the different activities that take place at each stage. Chapter 2 gets into databases proper, explaining how relational databases organize data. Non-traditional data, like XML and text, are also covered. Chapter 3 introduces SQL queries, but unlike traditional textbooks, queries and their parts are described around typical data analysis tasks like data exploration, cleaning and transformation. Chapter 4 introduces some basic techniques for data analysis and shows how SQL can be used for some simple analyses without too much complication. Chapter 5 introduces additional SQL constructs that are important in a variety of situations and thus completes the coverage of SQL queries. Lastly, chapter 6 briefly explains how to use SQL from within R and from within Python programs. It focuses on how these languages can interact with a database, and how what has been learned about SQL can be leveraged to make life easier when using R or Python. All chapters contain a lot of examples and exercises on the way, and readers are encouraged to install the two open-source database systems (MySQL and Postgres) that are used throughout the book in order to practice and work on the exercises, because simply reading the book is much less useful than actually using it. This book is for anyone interested in data science and/or databases. It just demands a bit of computer fluency, but no specific background on databases or data analysis. All concepts are introduced intuitively and with a minimum of specialized jargon. After going through this book, readers should be able to profitably learn more about data mining, machine learning, and database management from more advanced textbooks and courses.
Author : Mint Editions
Publisher : Graphic Arts Books
ISBN 13 : 1513294652
Total Pages : 140 pages
Book Rating : 4.5/5 (132 download)
Download or read book My First Book written by Mint Editions and published by Graphic Arts Books. This book was released on 2021-11-16 with total page 140 pages. Available in PDF, EPUB and Kindle. Book excerpt: My First Book (1894) is a collection of reminiscences by some of the leading fiction writers of the Victorian era. Beginning with a heartfelt introduction by English humorist Jerome K. Jerome, the collection includes reflections by such literary titans as Robert Louis Stevenson, Rudyard Kipling, and Arthur Conan Doyle. “It rose to my lips to answer him that it was not always the books written very, very well that brought in the biggest heaps of money [...] But something about the almost baby face beside me, fringed by the gathering shadows, silenced my middle-aged cynicism.” In his brilliant introduction, Jerome recalls a scenario that will be familiar to writers at any stage in their career. A young and ambitious artist seeks the advice of an older mentor. The mentor longs to warn the writer about the difficulties of obtaining success, but knows that to do so would risk breaking the essential innocence necessary for making art. Conscious of this dynamic, the contributors to My First Book endeavor to demystify the writing process as well as the trajectory of their own careers by sharing with readers how their first major works came into being. Heartfelt, humorous, and ultimately honest, their reflections remain invaluable to writers from all walks of life. With a beautifully designed cover and professionally typeset manuscript, this edition My First Book is a classic of British literature reimagined for modern readers.
Author : Lorelei James
Publisher : Penguin
ISBN 13 : 0451473124
Total Pages : 370 pages
Book Rating : 4.4/5 (514 download)
Download or read book Wrangled and Tangled written by Lorelei James and published by Penguin. This book was released on 2015-04-07 with total page 370 pages. Available in PDF, EPUB and Kindle. Book excerpt: When Janie Fitzhugh returns to Muddy Gap, Wyoming, eight years after her divorce to work at a new resort, sparks fly between her and her ex-husband, while her new boss partners with a spoiled little daddy's girl to get his dream ranch.
Author : Sherryl Woods
Publisher : MIRA
ISBN 13 : 1460382250
Total Pages : 154 pages
Book Rating : 4.4/5 (63 download)
Download or read book The Calamity Janes: Lauren written by Sherryl Woods and published by MIRA. This book was released on 2015-08-01 with total page 154 pages. Available in PDF, EPUB and Kindle. Book excerpt: #1 New York Times bestselling author Sherryl Woods returns with a story of the Calamity Janes…fierce friends facing challenges in life and love Lauren Winters has achieved fame and fortune, but all she wants when she goes home to Winding River, Wyoming, for a reunion with old friends is a break from her high-profile career. Seizing the chance to work incognito as a horse trainer for Wade Owens, she revels in the wrangler's attention. But how is the man who's disdainful of the rich and powerful going to feel when he discovers she's deceived him? Will Wade be able to see past her celebrity and believe in the woman who's fallen in love with him?
Author : Martin V. Melosi
Publisher : University of Pittsburgh Pre
ISBN 13 : 0822977761
Total Pages : 305 pages
Book Rating : 4.8/5 (229 download)
Download or read book Precious Commodity written by Martin V. Melosi and published by University of Pittsburgh Pre. This book was released on 2011-04-30 with total page 305 pages. Available in PDF, EPUB and Kindle. Book excerpt: As an essential resource, water has been the object of warfare, political wrangling, and individual and corporate abuse. It has also become an object of commodification, with multinational corporations vying for water supply contracts in many countries. In Precious Commodity, Martin V. Melosi examines water resources in the United States and addresses whether access to water is an inalienable right of citizens, and if government is responsible for its distribution as a public good. Melosi provides historical background on the construction, administration, and adaptability of water supply and wastewater systems in urban America. He cites budgetary constraints and the deterioration of existing water infrastructures as factors leading many municipalities to seriously consider the privatization of their water supply. Melosi also views the role of government in the management of, development of, and legal jurisdiction over America's rivers and waterways for hydroelectric power, flood control, irrigation, and transportation access. Looking to the future, he compares the costs and benefits of public versus private water supply, examining the global movement toward privatization.
Author : Roderick Sprague
Publisher : Northwest Anthropology
ISBN 13 :
Total Pages : 126 pages
Book Rating : 4./5 ( download)
Download or read book Journal of Northwest Anthropology written by Roderick Sprague and published by Northwest Anthropology. This book was released on with total page 126 pages. Available in PDF, EPUB and Kindle. Book excerpt: The Killisnoo Picnicground Midden (49-SIT-124) Revisited: Assessing Archaeological Recovery of Vertebrate Faunal Remains from Northwest Coast Shell Middens - Madonna L. Moss Mobiliary Carvings as a Key to Northwest Coast Rock Art - George Poetschat and James D. Keyser Disease and Demography in the Plateau - Robert Boyd and Cecilia D. Gregory Abstracts of the 60th Annual Meeting of the Northwest Anthropological Conference 14–17 March 2007, Washington State University Pullman, Washington
