OpenRefine (previously Google Refine) is a powerful tool for working with messy data: cleaning it; transforming it from one format into another; and extending it with web services and external data.



OpenRefine - Powerful tool for working with messy data

Flexible and powerful data analysis / manipulation library for Python, providing labeled data structures similar to R data.frame objects, statistical functions. It supports aggregating or transforming data with a powerful group by engine allowing split-apply-combine operations on data sets, High performance merging and joining of data sets, Time series-functionality, Hierarchical axis indexing and lot more. 

Pandas - Powerful Python Data Analysis Toolkit

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OpenRefine - Powerful tool for working with messy data

Pandas - Powerful Python Data Analysis Toolkit

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OpenRefine - Powerful tool for working with messy data

Pandas - Powerful Python Data Analysis Toolkit

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