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variance.hpp File Reference
`#include <boost/math/tools/promotion.hpp>`
`#include <stan/math/prim/mat/fun/Eigen.hpp>`
`#include <stan/math/prim/mat/fun/mean.hpp>`
`#include <stan/math/rev/core.hpp>`
`#include <stan/math/prim/scal/err/check_nonzero_size.hpp>`
`#include <vector>`

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## Namespaces

| stan
| stan::math
| Matrices and templated mathematical functions.

## Functions

var | stan::math::variance (const std::vector< var > &v)
| Return the sample variance of the specified standard vector. More...
template<int R, int C>
var | stan::math::variance (const Eigen::Matrix< var, R, C > &m)

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