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dcabo
May 25, 2013
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Intro a Google Refine
dcabo
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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 • ...