Exercises

1. What should be considered when checking the quality of data?
2. Accuracy of the measurement is the nearness of that measurement to truth. Yes/No
3. Precision is defined as the spread (or dispersion) of the measured values of a quantity. Yes/No
4. Precision provides an indication of the quality of data but does not provide an indication of the accuracy of data. Yes/No
5. High precision does not indicate high accuracy. High accuracy data does not indicate high precision. Yes/No
6. Absolute accuracy requires measured data to be referenced in terms of known or existing data. Yes/No
7. Relative accuracy does not need to be referenced to other data in order for measurements to be correct. This is usually the case where data has been collected as a completely self-contained survey. Yes/No
8. The digitizing staff must be well informed of the allowable RMS of the project in order to maintain the positional accuracy requirement of the project. Yes/No

Metadata and quality: Error Management in Data Capture: Exercises

Update: 4.5.2016 (eLML) - Found a bug? - Contact - Print (PDF) - © GITTA 2006 (Creative Commons)