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2. Intelligence source and information reliability - Wikipedia

   en.wikipedia.org/wiki/Intelligence_source_and...

   The source reliability is rated between A (history of complete reliability) to E (history of invalid information), with F for source without sufficient history to establish reliability level. The information content is rated between 1 (confirmed) to 5 (improbable), with 6 for information whose reliability can not be evaluated.

3. Data validation - Wikipedia

   en.wikipedia.org/wiki/Data_validation

   Presence check Checks that data is present, e.g., customers may be required to have an email address. Range check Checks that the data is within a specified range of values, e.g., a probability must be between 0 and 1. Referential integrity Values in two relational database tables can be linked through foreign key and primary key.

4. Check sheet - Wikipedia

   en.wikipedia.org/wiki/Check_sheet

   A check sheet is a form (document) used to collect data in real time at the location where the data is generated. The data it captures can be quantitative or qualitative. When the information is quantitative, the check sheet is sometimes called a tally sheet. [1] The check sheet is one of the so-called Seven Basic Tools of Quality Control. [2]

5. Dixon's Q test - Wikipedia

   en.wikipedia.org/wiki/Dixon's_Q_test

   To apply a Q test for bad data, arrange the data in order of increasing values and calculate Q as defined: Q = gap range {\displaystyle Q={\frac {\text{gap}}{\text{range}}}} Where gap is the absolute difference between the outlier in question and the closest number to it.

6. Test data - Wikipedia

   en.wikipedia.org/wiki/Test_data

   Test data are sets of inputs or information used to verify the correctness, performance, and reliability of software systems. Test data encompass various types, such as positive and negative scenarios, edge cases, and realistic user scenarios, and aims to exercise different aspects of the software to uncover bugs and validate its behavior.

7. Software reliability testing - Wikipedia

   en.wikipedia.org/wiki/Software_reliability_testing

   For reliability testing, data is gathered from various stages of development, such as the design and operating stages. The tests are limited due to restrictions such as cost and time restrictions. Statistical samples are obtained from the software products to test for the reliability of the software.

8. Inter-rater reliability - Wikipedia

   en.wikipedia.org/wiki/Inter-rater_reliability

   In statistics, inter-rater reliability (also called by various similar names, such as inter-rater agreement, inter-rater concordance, inter-observer reliability, inter-coder reliability, and so on) is the degree of agreement among independent observers who rate, code, or assess the same phenomenon.

9. Cheat sheet - Wikipedia

   en.wikipedia.org/wiki/Cheat_sheet

   A cheat sheet that is used contrary to the rules of an exam may need to be small enough to conceal in the palm of the hand Cheat sheet in front of a juice box. A cheat sheet (also cheatsheet) or crib sheet is a concise set of notes used for quick reference. Cheat sheets were historically used by students without an instructor or teacher's ...