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Randomness tests

Statistical randomness tests are methods to determine the nature of the random number sequence generated by physical random number or pseudo-random number. Typical methods for testing the non-regularity and equi-probability will be shown. However, as is also the reference, it is sufficient to note the following points are required.

Statistical tests merely indicate a small portion of the properties of random number subsequence. There is a limit to the statistical tests of randomness, then it is more important to show the properties of random number subsequence theoretically. Since it is difficult to know the nature of the pseudo-random number subsequence theoretically, statistical tests can be useful sometimes when examining the properties of the random number sequence used for certain applications.


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