Mix bar and line chart

Hi,

Is it possible to mix in the same chart a bar chart and a line chart with the medium of the bar values?

Thank you!
J.

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zqian

Hi J.<br />
<br />
This is very possible. Please refer to this thread: <a class='bbc_url' href='http://www.birt-exchange.com/forum/designing-birt-reports/11795-mixed-chart-types.html'>http://www.birt-exchange.com/forum/designing-birt-reports/11795-mixed-chart-types.html</a>

joseiru

Thank you very much, I have tried it but I get an error evaluating the value.

I want to put a straigth line with the average value of the bars chart. I put this in the value: Total.ave(row["DMC"])

Thank you again.

joseiru

Hi,

Can anybody help me with this, please? I do not know how to put an average value in the chart, thank you!

zqian

You can create an aggregation binding for Chart first, specify the function as "AVE". and name it as "avgData" for example. Then create a second line series and bind the Y value series expression as "row["avgData"]". You can further tweak the line style through Format page as per your own need.