random seed

Reproducibility starting point

A random seed is a starting value that initializes a random number generator, determining the sequence of "random" outputs it produces.

Using the same seed yields identical results each time—useful for reproducing experiments or debugging code: Set the random seed to 42 for reproducibility.

Without a specified seed, systems typically use unpredictable values like the current time.

Related

reproducibility · stochastic · game design · lottery draw · Monte Carlo · deterministic · entropy · pseudorandom · neural networks · data science · simulation · algorithm · probability · sampling · sequence · bootstrap · machine learning · salt

Opposites
determinism vs. entropy source

random seedradioactive decay

Unstable atoms releasing energy

environmental noise

reproducibility vs. uniqueness

random seednonce

Present purpose or occasion

unique identifier · UUID

pseudo-randomness vs. cryptographic security

random seedsecret key

Concealed unlocking information

Family

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