A JavaScript library for fast n-dimensional filtering and grouping of large multivariate datasets in the browser.
Crossfilter is a JavaScript library for fast n-dimensional filtering and grouping of large multivariate datasets directly in the browser. It solves the problem of slow, unresponsive data exploration by enabling sub-30ms interactions with coordinated visualizations, even on datasets with over a million records.
Frontend developers and data visualization engineers building interactive dashboards, analytics tools, or data exploration applications that require real-time filtering of large datasets in the browser.
Developers choose Crossfilter for its unmatched performance in client-side data manipulation, using optimized indexes and incremental updates to enable smooth, coordinated views without server dependencies, making it a go-to for high-performance data applications.
Fast n-dimensional filtering and grouping of records.
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Achieves sub-30ms response times for filtering and grouping, as stated in the README, enabling smooth interactions even with million-record datasets.
Uses sorted indexes and bit-twiddling hacks to manage datasets with over a million records directly in the browser without performance lag.
Only recalculates affected dimensions when filters adjust, making coordinated view updates significantly faster than full recalculations.
Enables seamless interaction across multiple linked visualizations like histograms and top-K lists, ideal for interactive dashboards and data exploration.
The project is actively seeking new maintainers, as noted in the README, which could lead to stalled development or lack of long-term support.
Crossfilter is purely a data manipulation library; users must integrate it with separate charting libraries like D3 or dc.js, adding complexity and setup time.
Primarily designed for static or batch-updated datasets; adding new records dynamically requires re-indexing, which is inefficient for frequent updates.