Question

What is the difference between an attribute and a metric? Give an example each of an attribute of a service that is done correctly, incorrectly, or not at all and a metric for it.

(Performance analysis modelling class)

Answer 1

The diffrence between an attribute and a metric :-

• Attribute is a property of software products and process. the software process include development, maintenance, documentation, managment and multiple instances of process.
• Metrics is represented as attribute whose values are numbers. numbers can be integers and reals.
• Attribute represent business concept like product, employee and month.
• Metrics represent business's key performance indicator like Revenue, profit, employee head count.
• Attribute is based on data source that is already been created by the company's project designer.
• Metrics perform the calculation on the data which is already stored in database.
• An attributes on report serve as lable for group of matrics.
• Metric on reoprt display list of the values stored whcih is used for analytical calculation.

Example --

• Example of Attribute include reliability and total project cost.
• Example of metrics include the number of source line of program and total cost of project