With measurement errors taken into account in the simultaneous fitting of the measurement and the new regression equations, estimation of is unbiased; hence it reflects the true relationship much better. Certainly, introducing latent factors in models is not a free lunch..
A function point is a unit of measurement to express the amount of business functionality an information system (as a product) provides to a user. Function points measure software size. The cost (in dollars or hours) of a single unit is calculated from past projects. As of 2013, there are several recognized standards and/or public specifications for sizing software based on Function Point. 1. ISO Standards. 1  COSMIC: ISO/IEC 19761:2011 Software engineering.
What may be the functional importance of either of these structures we know not. Hence the functional basis is preferred in all cases in which it can be applied. In biology it is more akin to the formal than to the functional attitude. (b) Add limits of functional parts: handle, spout, cover, etc. What is the value of accenting the functional parts in clay design? It is not impossible that this is the vestige of a once functional eye. No functional disturbance, and no lesion in regard to the eyes. The feet frequently have five functional digits, and may be plantigrade. These glands are present in both sexes, but are functional only in the female.