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Electric utilities aim to provide service to customers at a specific voltage level, for example, 220 V or 240 V. However, due to Kirchhoff's Laws, the voltage magnitude and thus the service voltage to customers will in fact vary along the length of a conductor such as a distribution feeder (see Electric power distribution). Depending on law and ...
Banks shall maintain minimum required reserves to the amount of 10% of the deposit base (effective from 1 December 2008) with two exceptions (effective from 1 January 2009): 1. on funds attracted by banks from abroad: 5%; 2. on funds attracted from state and local government budgets: 0%.
The potential support ratio (PSR) is the number of people age 15–64 per one older person aged 65 or older. This ratio describes the burden placed on the working population (unemployment and children are not considered in this measure) by the non-working elderly population. As a population ages, the potential support ratio tends to fall.
In this way, the DSC (debt service coverage) ratio provides a way to assess the financial quality, and the associated risk level, of this pool of loans, and shows the surprising result that despite some loans experiencing DSC below 1, the overall DSC of the entire pool has improved, from 1.66 × to 1.76 ×. This is pretty much what a good loan ...
Demand forecasting is the prediction of the quantity of goods and services that will be demanded by consumers at a future point in time. [1] More specifically, the methods of demand forecasting entail using predictive analytics to estimate customer demand in consideration of key economic conditions.
The Davies–Bouldin index (DBI), introduced by David L. Davies and Donald W. Bouldin in 1979, is a metric for evaluating clustering algorithms. [1] This is an internal evaluation scheme, where the validation of how well the clustering has been done is made using quantities and features inherent to the dataset.
In queueing theory, a discipline within the mathematical theory of probability, the Pollaczek–Khinchine formula states a relationship between the queue length and service time distribution Laplace transforms for an M/G/1 queue (where jobs arrive according to a Poisson process and have general service time distribution).
In microbiology, the multiplicity of infection or MOI is the ratio of agents (e.g. phage or more generally virus, bacteria) to infection targets (e.g. cell).For example, when referring to a group of cells inoculated with virus particles, the MOI is the ratio of the number of virus particles to the number of target cells present in a defined space.