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Keywords: SigmaPlot Update, Sigma Plot Update, sigmaplot, update, sigma plot, update
SigmaPlot Update ...change/customize error bar directions
You can completely customize the error bar directions for different curves. For example, if you have a graph with overlapping error bars:

You can enter error bar direction values for each curve in adjacent columns, and then select the first column for your error bar directions.
- For example, for the above graph the first two data points are fine, but for the rest we want the lower error bars for the first curve, and upper error bars for the second curve.
- In a data column, type a "b" for each data point where you want both error bars, an "n" for where you want negative direction error bars, and
a "p" for where you want positive direction error bars. You could also type a "t" for toward zero, or an "f" for from zero.

Now open the Graph Properties dialog box, and go to the Error Bar options for the plot. Select your first error bar direction column for your error bar directions, then click OK.
Your graph now uses the specified error bar directions.
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