variance() [4/7]

template<typename StdVec , require_std_vector_t< StdVec > * = nullptr, require_not_vt_var< StdVec > * = nullptr>

value_type_t< StdVec > stan::math::variance ( const StdVec &  v )

inline

Returns the sample variance (divide by length - 1) of the coefficients in the specified standard vector.

Template Parameters

StdVec

A standard library vector that does not contain a var.

Parameters

v	specified vector

Returns

sample variance of vector

Exceptions

<code>std::invalid_argument</code>

if the vector has size zero

Definition at line 46 of file variance.hpp.