Plot using Error Bars

One of the features of the Plot class is that the data can show upper and lower error bars. An example is below.

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Error bars can be specified from within the data file or by calling Java methods. The error bars above are specified in the data file with a 4 number line:

The numbers can be separated by white space or commas. This is the "old syntax," but the PlotML syntax also supports error bars. A point with error bars is given by a element of the following form:

<point x="0.1" y="1.0" lowErrorBar="0.9" highErrorBar="1.1"/>

From within Java, error bars can be added by calling the addPointWithErrorBars() method in the Plot class.