Campaign Manager - Campaign Manager (Silverlight)


Distributed Sample

Use the Distributed Sample tool to reduce the size of a segment by selecting records that are distributed across the segment using a suitable database column.

For example, you could select a sample of 1000 people from your database using the Age Numeric column to distribute by so that you get an even distribution across age bands:

Procedure

  1. Drag the tool to the Workspace:

  1. Drag a column into the Distribute Across field - in the example below it is 'Age Numeric':

You could also choose to sample by percentage, and take 10% of the people in each age band.

Note: You do not have to use all the bands in the selected column - you can pick and choose the ones that you want using the Add and Remove buttons. Select the Top Up check box where there are insufficient records for any discrete value to satisfy the required count, or where there are an odd number of records. This will allow the deficit to be made up using a repeatable random sample from those bands that have excess records. This is done in multiple passes so that the records are extracted evenly from the available bands.
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