dygraphs is a lightweight (45kb) and responsive JavaScript Visualization Library that produces interactive and zoomable charts of time series. This library is designed to display dense data sets and enable users to explore and interpret them.

Being purely client-side JavaScript, dygraphs does not send your data to any servers: the data is processed entirely in the client’s browser.

Features include:

• Plots time series without using an external server or Flash
• Compatible with Internet Explorer (using excanvas) and Google Visualization API
• Shows values on mouse over (this makes it easily discoverable)
• Supports error bands around data series
• Adjustable averaging period
• Can intelligently chart fractions
• Customizable click-through actions
• Intelligent defaults make it easy to use

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