A DataFile is owned by a user and must be linked to a laboratory. The DataFile and his annotation can only be modified by his owner, the PI or data manager of the laboratory.
PI and data manager have access to every files related to thier laboratory.
## DataSet
A DataSet is a group of DataFiles that can be shared to any other user. The content (list of DataFiles) and the sharing parameters of a DataSet can only be modified by his creator if the DataSet *read_only* parameter is set to True (default value is True). If not, any user to which the DataSet is being shared can modify the content and sharing parameters.
Users to which the DataSet is being shared to cannot modify the annotations of the DataFiles.
A DataFile can be part of multiple DataSet.
## Share Group
DataSet can be shared via a Share Group which is a set of users. Only the members of a Share Group can modify it or link DataSets to the ShareGroup unless the *manage_by_staff* setting is set to True. In this case, only staff users can modify or link DataSet to the Share Group.
