template TYPE Statistics::mean<TYPE>(TYPE const *, int const &); \
template TYPE Statistics::mean<TYPE>(std::vector<TYPE> const &); \
template TYPE Statistics::var<TYPE>(TYPE const *, int const &); \
template TYPE Statistics::var<TYPE>(std::vector<TYPE> const &); \
template TYPE Statistics::cov<TYPE>( \
TYPE const *, TYPE const *, int const &, int const &); \
template TYPE Statistics::cov<TYPE>( \
std::vector<TYPE> const &, std::vector<TYPE> const &); \
template TYPE Statistics::corr<TYPE>( \
TYPE const *, TYPE const *, int const &, int const &); \
template TYPE Statistics::corr<TYPE>( \
std::vector<TYPE> const &, std::vector<TYPE> const &);