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In the music industry, the Published Price to Dealer (PPD) is the wholesale unit price of a recorded work. It is often used in recording industry contracts as a basic figure for defining royalty shares .
In radiotherapy, a percentage depth dose curve (PDD) (sometimes percent depth dose curve) relates the absorbed dose deposited by a radiation beam into a medium as it varies with depth along the axis of the beam.
Presidential Policy Directive 41 (PPD-41) titled "United States Cyber Incident Coordination" is a Presidential Policy Directive signed by President of the United States Barack Obama on 26 July 2016 that sets forth principles governing the Federal Government’s response to cyber incidents involving government or private sector entities.
The positive predictive value (PPV), or precision, is defined as = + = where a "true positive" is the event that the test makes a positive prediction, and the subject has a positive result under the gold standard, and a "false positive" is the event that the test makes a positive prediction, and the subject has a negative result under the gold standard.
Pharmaceutical Product Development (PPD) is a global contract research organization (CRO) providing comprehensive, integrated drug development, laboratory and lifecycle management services. In December 2021, PPD became a wholly owned subsidiary of Thermo Fisher Scientific .
Purified protein derivative (PPD) tuberculin is a precipitate of species-nonspecific molecules obtained from filtrates of sterilized, concentrated cultures. The tuberculin reaction was first described by Robert Koch in 1890. The test was first developed and described by the German physician Felix Mendel in 1908. [2]
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After developing these indices, one can calculate both PIT and TTC PDs for counterparties within each of the covered sectors. To obtain PIT PDs, one introduces the relevant indices into the relevant default models, re-calibrate the models to defaults, and apply the models with current and projected changes in indices as inputs.