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In the Basic Information section of the Report Editor, you specify the information to appear at the top of the report, select the dataset with the data you want to appear in the report, and specify if the report is public or private.
You must at least select a dataset for the report. To see information about or download the Dataset Review, click 
. It describes each Report List dataset and lists the data in each.
When you finish, click OK. The Columns section expands.