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Intro a Google Refine

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May 25, 2013
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Intro a Google Refine

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dcabo

May 25, 2013
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Transcript

  1. Limpiando datos con Google Refine David Cabo (@dcabo) [email protected]

  2. 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...

  3. ¿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 • ...