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Interactive Visual Specification of Data Transformation Scripts

Interactive Visual Specification of Data Transformation Scripts

da仔
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we introduce Wrangler, an interactive system for creating data transformations. Wrangler combines direct manipulation of visualized data with ,automatic inference of relevant transforms, enabling analysts to iteratively explore the space of applicable operations and preview their effects. Wrangler leverages semantic data types (e.g., geographic locations, dates, classification codes) to aid validation and type conversion. Interactive histories support review, refinement, and annotation of transformation scripts. User study results show that Wrangler significantly reduces specification time and promotes the use of robust,auditable transforms instead of manual editing.
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