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Interactive trend chart

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Interactive trend chart
Percentage change in UK house prices over time for data from three sources.
Visual types
Level of expertise
Source:
Guardian Interactive (News)
http://www.guardian.co.uk/money/interactive/2008/apr/15/houseprices
Interactive features
Links to relevant articles displayed when mouse hovers over data points
Benefits & pitfalls to avoid
  • Line-charts imply that data is continuously changing. If your data is discrete you might consider a bar-chart instead.
Create your own
  • Animations can be created in a range of standard data applications such as Excel, with the output saved for each different time-point, and an image editor or language such as Adobe Flash used to splice them into an animation. Online tools include Google Motion Charts.