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1. Navigate to the CSSI Data Portal.
2. Click the Browse button.
   The Browse Investigations page appears, showing the three default filters (pie charts) of Study Protocol Name, Study Assay Measurement Type, and Study Assay Technology Type. Below the filters is a summary of each investigation available in the Portal. The following screenshot shows a subset of these investigations.
   
3. On the Browse Investigations page, you can do the following:

   • Anchor
     filter filter

     #Filtering Investigation Data the list of investigations by field values present in all investigations in the PortalFilter the investigations in the Portal so that only those matching the fields you select appear in the pie charts and the list. If you do not filter the investigations, you see a pie chart analysis of the three default filters, Study Protocol Name, Study Assay Measurement Type, and Study Assay Technology Type, and all of the investigations appear in the list.

     Info

     Note that not all investigations in the Portal have values for all fieldsa value for each field. For example, in the Characterization of Circulating Tumor Cells (CTCs) investigation study in the screenshot above, there is no value for Study Assay Technology Type. This is reflected in the pie chart for Study Assay Technology Type at the top of the screenshotscreen. In that pie chart, 5 investigations have no value for this field while the remaining 3 have the value of "nucleotide sequencing."

   • Click the study title to view study details, download selected study files, download the entire archive, and download only the metadata.
   • Browse Scroll down the page to browse all of the investigations in the database.

Filtering Investigation Data

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