Observational error
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Observational error (or measurement error) is the difference between a measured value of a quantity and its true value. In statistics, an error is not a "mistake". Variability is an inherent part of the results of measurements and of the measurement process.
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See also
- Cognitive bias
- Correction for measurement error (for Pearson correlations)
- Errors and residuals in statistics
- Error
- Replication (statistics)
- Statistical theory
- Metrology
- Regression dilution
- Test method
- Propagation of uncertainty
- Instrument error
- Measurement uncertainty
- Errors-in-variables models
- Systemic bias
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