# Independent and Identically Distributed Random (IID) Data Base

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An Independent and Identically Distributed Random (IID) Data Base is a data base that approximates an IID random variable set (where all random variables are in a statistical independence relation and in an identical distribution relation).

**Context:**- …

**Example(s):**- an Random Sample IID Dataset, such as: Fisher's Iris Data Base.
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**Counter-Example(s):**- a Non-IID Dataset, such as a correlated variable set, such as a temporal dataset or a multi-relational dataset.

**See:**Random Experiment, Random Intervention Study, Law of Large Numbers, Time Dependency.