When you moue over the charts, it will highlight the individual values on right side. Click and drag to zoom. Double-click to zoom back out. Change the number and hit enter to adjust the averaging period.
features of dygraphs
- Plots time series without using an external server or Flash
- work perfectly on all major web browser even in internet explorer using ExCanvas.
- Displays values on mouse over
- Supports error bands around data series
- create Interactive zoomable charts
- Easy to Adjust average period
- Customizable click-through actions
- Compatible with the Google Visualization API
- Intelligent defaults make it easy to use
Download : dygraphs