x-Coordinate Variable

Use this field to specify the variable whose values specify the x-coordinates for all of the spots on the microarray.

To Specify the X-Coordinate Variable:

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Specify the Coordinate Data Set.

All of the variables in the coordinate data set are displayed in the Available Variables field.

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Examine the list of available variables.

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Highlight the variable listing the x-coordinates of the spots on the array.

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Click to add the highlighted variable to the X-Coordinate Variable field, as shown below: