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The CSSI DCC Portal is a public repository of experiment-related information describing cancer research investigations. You can use the portal to browse, search, and download the eight, public Physical Sciences Oncology Network (PSON) data sets. These data sets are in ISA-TAB format, which organizes investigation, study, and assay data according to the rules in the ISA-TAB specification.   

Each data set contains three files, investigation, study, and assay, that conform to the ISA-TAB structure. Within this structure are field names that are standard for each data set, though null values are allowed; that is, not every data set includes values for each field. The portal allows you to filter these fields in a hierarchical way so that you can visualize the data in a pie chart or list.

The portal provides customizable dashboards that allow you to browse and explore investigation data. You can also search investigations, studies, and assays using any keyword. This chapter provides detailed instructions on how to browse, search, and download data.

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