Position Variable 1

Use this field to specify the variable containing position of markers on their respective linkage group or chromosome. This value must be numeric and measured in centiMorgans.

This process displays a comparison of the values of this variable with those of Position Variable 2 (specified on the Linkage Map 2 tab) for markers in common (and on the same linkage group) across the two linkage maps.

To Specify a Position Variable 1:

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Specify an Input Linkage Map SAS Data Set.

All of the variables in the specified input 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 whose values specify marker position.

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Click to add the highlighted variable to the Position Variable 1 field, as shown below: