Metadata Data type

What is Metadata?

Metadata is "data about data" - descriptive information that helps understand, manage, and interpret datasets.

Types in CMMI-DCC

Sample Metadata

• Collection date
• Biofluid type
• Storage conditions
• Operator

Experimental Metadata

• Experimental method
• Instrument used
• Date of measurement
• Run ID

Study Metadata

• Study name and ID
• Principal investigator
• Collection protocol

Why It Matters

• Reproducibility: Enables replication of experiments
• Quality Control: Identifies batch effects
• Data Integration: Allows combining datasets appropriately

Related Terms

• Experimental Method: Type of metadata
• Date of Measurement: Sample metadata