The-Dream, the R&B singer and behind-the-scenes power player, recently boasted of a $15 million payday for writing Rihanna's 2007 smash Umbrella. True? When you have a cross-over song, it just makes more and more and more money, says Tom DeSavia, a vice president at Notable Music, a 50-year-old music publisher founded by the late songwriter Cy Coleman.
Simple guide to confusion matrix terminology. A confusion matrix is a table that is often used to describe the performance of a classification model (or classifier) on a set of test data for which the true values are known.The confusion matrix itself is relatively simple to understand, but the related terminology can be confusing. wanted to create a quick reference guide for confusion matrix terminology because I couldn't find an existing resource that suited my requirements: compact in presentation, using numbers instead of arbitrary variables, and explained both in terms of formulas and sentences.
A traceability matrix is used to verify that all stated and derived requirements are allocated to system components and other deliverables (forward trace). The matrix is also used to determine the source of requirements (backward trace).Requirements traceability includes tracing to things other than software that satisfy the requirements such as capabilities, design elements, manual operations, tests, etc.EQUIREMENTS TRACEABILITY MATRIX. The purpose of the RTM is to help ensure the object of the requirements conforms to the requirements by associating each requirement with the object via the traceability matrix.