Examlex
What takes place during the extraction part of ETL?
Random Variable
A variable whose possible values are outcomes of a statistical experiment and which can vary randomly.
Probability
The measure of the likelihood that an event will occur, expressed as a number between 0 (impossible) and 1 (certain).
Poisson Probability
A distribution used to predict the probability of a given number of events happening in a fixed interval of time or space, given a constant mean rate of occurrence.
Defects
Imperfections or faults in a product or process that deviate from desired performance or specification.
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