October 2014
Beginner to intermediate
348 pages
6h 55m
English
Content preview from Python Data AnalysisBecome an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
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NumPy random numbers
Random numbers are used in Monte Carlo methods, stochastic calculus, and more. Real random numbers are difficult to produce, so in practice, we use pseudo-random numbers. Pseudo-random numbers are sufficiently random for most intents and purposes, except for some very exceptional instances, such as very accurate simulations. The random-numbers-associated routines can be located in the NumPy random subpackage.
Note
The core random-number generator is based on the Mersenne Twister algorithm (refer to https://en.wikipedia.org/wiki/Mersenne_twister).
Random numbers can be produced from discrete or continuous distributions. The distribution functions have an optional size argument, which informs NumPy how many numbers are to be created. ...
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