Using OpenRefine : the essential OpenRefine guide that takes you from data analysis and error fixing to linking your dataset to the Web

Using OpenRefine the essential OpenRefine guide that takes you from data analysis and error fixing to linking your dataset to the Web

With this book on OpenRefine, managing and cleaning your large datasets suddenly got a lot easier! With a cookbook approach and free datasheets included, you’ll quickly and painlessly improve your data managing capabilities. Create links between your dataset and others in an instant Effectively tran...

Descripción completa

Detalles Bibliográficos
Otros Autores: Verborgh, Ruben, author (author), De Wilde, Max, author (cover designer), Sawant, Aniket, cover designer
Formato: Libro electrónico
Idioma:Inglés
Publicado: Birmingham, England : Packt Publishing 2013.
Edición:1st edition
Colección:Community experience distilled.
Materias:
Data mining.
Electronic data processing.
Ver en Biblioteca Universitat Ramon Llull:https://discovery.url.edu/permalink/34CSUC_URL/1im36ta/alma991009628393906719
Tabla de Contenidos:
  • Intro
  • Using OpenRefine
  • Table of Contents
  • Using OpenRefine
  • Credits
  • Foreword
  • About the Authors
  • About the Reviewers
  • www.PacktPub.com
  • Support files, eBooks, discount offers and more
  • Why Subscribe?
  • Free Access for Packt account holders
  • Preface
  • What this book covers
  • What you need for this book
  • Who this book is for
  • Conventions
  • Reader feedback
  • Customer support
  • Downloading the example files
  • Errata
  • Piracy
  • Questions
  • 1. Diving Into OpenRefine
  • Introducing OpenRefine
  • Recipe 1 - installing OpenRefine
  • Windows
  • Mac
  • Linux
  • Recipe 2 - creating a new project
  • File formats supported by OpenRefine
  • Recipe 3 - exploring your data
  • Recipe 4 - manipulating columns
  • Collapsing and expanding columns
  • Moving columns around
  • Renaming and removing columns
  • Recipe 5 - using the project history
  • Recipe 6 - exporting a project
  • Recipe 7 - going for more memory
  • Windows
  • Mac
  • Linux
  • Summary
  • 2. Analyzing and Fixing Data
  • Recipe 1 - sorting data
  • Reordering rows
  • Recipe 2 - faceting data
  • Text facets
  • Numeric facets
  • Customized facets
  • Faceting by star or flag
  • Recipe 3 - detecting duplicates
  • Recipe 4 - applying a text filter
  • Recipe 5 - using simple cell transformations
  • Recipe 6 - removing matching rows
  • Summary
  • 3. Advanced Data Operations
  • Recipe 1 - handling multi-valued cells
  • Recipe 2 - alternating between rows and records mode
  • Recipe 3 - clustering similar cells
  • Recipe 4 - transforming cell values
  • Recipe 5 - adding derived columns
  • Recipe 6 - splitting data across columns
  • Recipe 7 - transposing rows and columns
  • Summary
  • 4. Linking Datasets
  • Recipe 1 - reconciling values with Freebase
  • Recipe 2 - installing extensions
  • Recipe 3 - adding a reconciliation service
  • Recipe 4 - reconciling with Linked Data.
  • Recipe 5 - extracting named entities
  • Summary
  • A. Regular Expressions and GREL
  • Regular expressions for text patterns
  • Character classes
  • Quantifiers
  • Anchors
  • Choices
  • Groups
  • Overview
  • General Refine Expression Language (GREL)
  • Transforming data
  • Creating custom facets
  • Solving problems with GREL
  • Index.

Ejemplares similares