std::poisson_distribution<IntType>::mean
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std::poisson_distribution
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poisson_distribution::mean (C++11) | ||||
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(C++11)(C++11) |
double mean() const; |
(since C++11) | |
Returns the μ parameter the distribution was constructed with. The parameter defines mean number of occurrences of the event. The default value is 1.0.
Parameters
(none)
Return value
Floating point value identifying the μ distribution parameter.
See also
(C++11) |
gets or sets the distribution parameter object (public member function) |