Upgrade to Pro
— share decks privately, control downloads, hide ads and more …
Speaker Deck
Features
Speaker Deck
PRO
Sign in
Sign up for free
Search
Search
Intro a Google Refine
Search
dcabo
May 25, 2013
650
0
Share
Embed
Copy iframe code
Copy JS code
Copy link
Start on current slide
Intro a Google Refine
dcabo
May 25, 2013
More Decks by dcabo
See All by dcabo
Open Data y Transparencia
dcabo
0
75
Mejorando el periodismo con Ruby
dcabo
0
600
Reutilización de datos y transparencia
dcabo
3
360
Preparando datos para su análisis
dcabo
0
630
Beyond FOIA (FOIA and Technology)
dcabo
1
95
Open Data y Transparencia
dcabo
0
200
¿Dónde van mis impuestos?
dcabo
3
260
Casos prácticos de la reutilización de datos públicos
dcabo
2
140
Against the Spanish odds (the techie side)
dcabo
3
280
Featured
See All Featured
コードの90%をAIが書く世界で何が待っているのか / What awaits us in a world where 90% of the code is written by AI
rkaga
62
44k
brightonSEO & MeasureFest 2025 - Christian Goodrich - Winning strategies for Black Friday CRO & PPC
cargoodrich
3
740
Crafting Experiences
bethany
1
190
SEO in 2025: How to Prepare for the Future of Search
ipullrank
3
3.6k
StorybookのUI Testing Handbookを読んだ
zakiyama
31
6.8k
Product Roadmaps are Hard
iamctodd
PRO
55
12k
Hiding What from Whom? A Critical Review of the History of Programming languages for Music
tomoyanonymous
2
870
Agile that works and the tools we love
rasmusluckow
331
22k
The Organizational Zoo: Understanding Human Behavior Agility Through Metaphoric Constructive Conversations (based on the works of Arthur Shelley, Ph.D)
kimpetersen
PRO
0
370
Organizational Design Perspectives: An Ontology of Organizational Design Elements
kimpetersen
PRO
1
760
Noah Learner - AI + Me: how we built a GSC Bulk Export data pipeline
techseoconnect
PRO
0
210
The MySQL Ecosystem @ GitHub 2015
samlambert
251
13k
Transcript
Limpiando datos con Google Refine David Cabo (@dcabo)
[email protected]
Limpiando datos • Refine: Herramienta de exploración y limpieza de
datos • Proceso • 1. Obtener los datos • 2. Limpiarlos con Refine • 3. Analizarlos: Excel, Open Office, R...
¿Qué puede hacer? • Filtrar y agrupar datos por distintos
criterios • Aplicar transformaciones a los datos • Unir/partir columnas • Verificar con bases de datos externas:FreeBase, Open Corporates... • Clustering: limpieza basada en similitudes: corrección de erratas • ...