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- Open a Study Details page.
In the Visualize and Select area, click one of the entities.
Info title Study Hierarchy The hierarchy of entities for studies according to the ISA-TAB standard is as follows, from less granular to more granular:
Source > Protocol > Sample
For example, click the source. Metadata for that source appears.
- From the Source Name list, click the arrow to open the list of values. Each value is a Source Name from the study file, in this case, s_mrna.txt.
- Click one or more values in the list to select them. To select multiple values, click one, wait for it to appear on the Metadata for Source page, and then click the arrow again to select another value. To clear a selection, click that value again.
- Click Filter Results.
The Source Count reduces from the 40 original values in the unfiltered study file, s_mrna.txt, to the 3 selected in this procedure. - Options you have at this point include continuing to explore this data set, downloading the metadata of the 3 values you selected, downloading the selected data of the 3 values you selected (which includes the metadata), or clicking Clear Filters to filter a different entity.
Visualizing and Filtering Assay Data
If you select the assay in the PSON Cell Line Genomic Characterization - mRNA investigation or arrive at any other Assay Details page through a search, you can visualize the assay's file structure and filter on any field.
To visualize and select assay data
- Open an Assay Details page.
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In the Visualize and Select area, click one of the entities.
Info title Study Hierarchy The hierarchy of entities for studies according to the ISA-TAB standard is as follows, from less granular to more granular:
Assay > Protocol > Sample
For example, click the source. Metadata for that source appears.
- From the Source Name list, click the arrow to open the list of values. Each value is a Source Name from the study file, in this case, s_mrna.txt.
- Click one or more values in the list to select them. To select multiple values, click one, wait for it to appear on the Metadata for Source page, and then click the arrow again to select another value. To clear a selection, click that value again.
- Click Filter Results.
The Source Count reduces from the 40 original values in the unfiltered study file, s_mrna.txt, to the 3 selected in this procedure. - Continue exploring this data set or download the selected metadata or download the selected data.
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Searching Investigation Data
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