What is Data?
When we talk about data we are referring to:
- Observational: data captured in real-time, usually irreplaceable
Examples: Sensor data, telemetry, survey data, sample data, neuroimages.
- Experimental: data from lab equipment, often reproducible, but can be expensive
Examples: gene sequences, chromatograms, toroid magnetic field data
- Simulation: data generated from test models where model and metadata (inputs) are more important than output data
Examples: climate models, economic models
- Derived or compiled: data that is reproducible (but very expensive)
Examples: text and data mining, compiled database, 3D models, data gathered from public documents
| Data formats can be: |
Storage file formats include: |
| Text |
ascii, Word, PDF |
| Numerical |
ascii, SPSS, STATA, Excel, Access, MySQL |
| Multimedia |
jpeg, tiff, dicom, mpeg, quicktime |
| Models |
3D, statistical |
| Software |
Java, C |
| Discipline specific |
FITS in astronomy, CIF in chemistry |
| Instrument specific |
Olympus Confocal Microscope Data Format |
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For advice on a data management project, contact:
data-management@mit.edu
Courtney Crummett
Bioinformatics and Biosciences Librarian
Anne Graham
Civil and Environmental Engineering, Building Technology Librarian
Katherine McNeill
Social Science Data Services & Economics Librarian
Daniel Sheehan
Senior GIS Specialist
Amy Stout
Electrical Engineering and Computer Science Librarian
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