How to add trend lines on the chart.

[Li-Ming Lu]

Trend lines are horizontal/vertical lines spanning the chart canvas which aid in interpretation of data with respect to some pre-determined value. For example, if you are plotting sales data of current year, you might want to add previous year's average monthly sales as trend indicator for ease of comparison.

How to add image to the end of trend line?

[Viz Kid]

I'm not sure if the image and the description are connected. But, for your example, you can have a bar chart showing this year's sales and have a line chart represent the information of last year on the same chart (using ComboChart).

Hope this helps,

  Viz Kid

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