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You can customize which pie charts appear at the top of the page. Since the pie charts control how you filter the investigation data, you may prefer something other than, or in addition to, the three default fields of Study Protocol Name, Study Assay Technology Type, and Study Assay Measurement Type.

You can add and remove fields

To add or remove fields

1. On the Browse Investigations page, click .
   The Select menu appears to the left of the pie charts.
   

2. Expand fields by clicking the plus signs. Note that in the STUDY PROTOCOLS and Study Assays section, the field values of Study Protocol Name, Study Assay Technology Type, and Study Assay Measurement Type are already selected. These field values are the ones that appear in the three default pie charts on the Browse Investigations page. If you clear these check boxes, those pie charts disappear from the page. When you reset all of the pie charts or select Browse > Investigations, however, they reappear.

   
   

3. Click any of the field values to select them. For example, select Study Protocol Type.
   The pie charts immediately update to include one for Study Protocol Type.
   
   
   Correspondingly, the Investigations list updates to show Study Protocol Type in the fields available for the investigation.
   
   
   
   You could also opt to clear all of the check boxes except for Study Protocol Type. In this case, that is the only pie chart that would appear.
   
   
   
   The field also disappears from the Investigations list.
   
   

    
4. When you have selected or cleared as many fields as you want from the pie charts, click .
   The Select menu moves back to its original position.

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