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Sample (data model entity)
In the FireCloud data model, a Sample entity represents a biological sample collected from a participant, which may be associated with one or more sequencing runs, for example. The sample metadata should be structured as follows:
- first column: entity:sample_id (key)
subsequent columns (no ordering requirement):
- participant_id (foreign key)
- entity attributes
exactly one row per entity in the file
Note that you should always load participant metadata before attempting to load additional entities such as samples that refer to the participants.
Example of Sample metadata load file