11_dataanalysis

11_dataanalysis - Data Analysis 16.621 March 13, 2003 Data...

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Data Analysis 16.621 March 13, 2003
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Data Analysis Process Experiment (Raw Data) Data Reduction (Reduced Data) Assess Hypothesis Report Findings Data Interpretation Graphical Analysis Compare with theory or other data Incorporate knowledge Extract findings Conceptually separate, but can be iterations/feedback between them Keep the end goal in mind!
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Experiment Step • Experiment produces “raw data” – In measured units (volts, seconds, lbs, ….) – Organization determined by recording method (notebook, tabular form, database,….) • Take data early to check-out experiment • Do some “quick data reduction/analysis” during experiment to see if results look ok. • Goal: Assure data set is complete and all information is collected while experiment is still set up. Largely a recording process.
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Data Reduction Step • Convert and normalize or nondimensionalize raw data to “meaningful variables” (temperature, time of flight, force coefficients,. ..) • Statistical analysis as appropriate (next class)
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This note was uploaded on 11/08/2011 for the course AERO 16.61 taught by Professor Earlmurman during the Spring '03 term at MIT.

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11_dataanalysis - Data Analysis 16.621 March 13, 2003 Data...

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