AccuracyData accuracy mentions to the degree with which data prop.pdf
- 1. Accuracy: Data accuracy mentions to the degree with which data properly represents the ‘real-life’ objects they are intended to model. In several cases, accuracy is measured by how the morals agree with an identified source of right information. There are different sources of right information: a database of record, a similar corroborative set of data values from another table, enthusiastically computed values, or perhaps the result of a manual process. An example of an accuracy rule might specify that for healthcare workers, the Registering Status attribute must have a value that is accurate according to the regional authorization board. If that data is available as a reference data set, and automated process can be put in place to verify the accuracy, but if not, a manual process may be introduced to contact that local board to verify the accuracy of that attribute. Completeness: A hope of completeness indicates that certain attributes should be allocated values in a data set. Completeness rules can be assigned to a data set in three levels of constraints: 1. Mandatory points that require a value, 2. Optional points, which may have a value based on some set of conditions, and 3. Inapplicable points, which may not have a value Completeness may also be seen as encompassing usability and appropriateness of data values. Consistency: In its most basic form, consistency mentions to data values in one data set being consistent with standards in another data set. A strict meaning of consistency specifies that two data values drawn from distinct data sets must not fight with each other, while consistency does not essentially imply correctness. Even more complicated is the notion of consistency with a set of predefined constraints. More formal consistency restrictions can be encapsulated as a set of rules that specify consistency contacts between values of attributes, either across a record or message, or along all values of a single attribute. However, be careful not to confuse consistency with accuracy or correctness. Consistency may be defined within different contexts: • Between one set of point values and another point set within the same record • Between one set of point values and another point set in different records • Between one set of point values and the same point set within the same record at different points in time • Consistency may also take into account the concept of ‘reasonableness’ in which some range of acceptability is imposed on the values of a set of points. Solution
- 2. Accuracy: Data accuracy mentions to the degree with which data properly represents the ‘real-life’ objects they are intended to model. In several cases, accuracy is measured by how the morals agree with an identified source of right information. There are different sources of right information: a database of record, a similar corroborative set of data values from another table, enthusiastically computed values, or perhaps the result of a manual process. An example of an accuracy rule might specify that for healthcare workers, the Registering Status attribute must have a value that is accurate according to the regional authorization board. If that data is available as a reference data set, and automated process can be put in place to verify the accuracy, but if not, a manual process may be introduced to contact that local board to verify the accuracy of that attribute. Completeness: A hope of completeness indicates that certain attributes should be allocated values in a data set. Completeness rules can be assigned to a data set in three levels of constraints: 1. Mandatory points that require a value, 2. Optional points, which may have a value based on some set of conditions, and 3. Inapplicable points, which may not have a value Completeness may also be seen as encompassing usability and appropriateness of data values. Consistency: In its most basic form, consistency mentions to data values in one data set being consistent with standards in another data set. A strict meaning of consistency specifies that two data values drawn from distinct data sets must not fight with each other, while consistency does not essentially imply correctness. Even more complicated is the notion of consistency with a set of predefined constraints. More formal consistency restrictions can be encapsulated as a set of rules that specify consistency contacts between values of attributes, either across a record or message, or along all values of a single attribute. However, be careful not to confuse consistency with accuracy or correctness. Consistency may be defined within different contexts: • Between one set of point values and another point set within the same record • Between one set of point values and another point set in different records • Between one set of point values and the same point set within the same record at different points in time • Consistency may also take into account the concept of ‘reasonableness’ in which some range of acceptability is imposed on the values of a set of points.