Error bar

A discussion forum for JFreeChart (a 2D chart library for the Java platform).
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Shanrong Zhao

Error bar

Post by Shanrong Zhao » Tue Oct 15, 2002 1:27 am

How to display error bar in XYplot, Category Plot?

Thansk,

shanrong

Lee Irvine

Re: Error bar

Post by Lee Irvine » Tue Oct 15, 2002 5:08 pm

What do you mean? LEE

Shanrong Zhao

Re: Error bar

Post by Shanrong Zhao » Wed Oct 16, 2002 12:02 am

What I mean is standard deviation. At each X, there are several Y values. I want to calculate the average of y values first and then draw XY-plot. But at each datapoint in the plot, I want to show an error bar to indicate standard deviation?

Thanks -- shanrong

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