variance( Expr [, T nan] [, double mean] )

Functions
template<class Expr , int N>
double	ltl::variance (const ExprBase< Expr, N > &e, double *const avg=NULL)
template<class Expr , int N>
double	ltl::variance (const ExprBase< Expr, N > &e, const typename Expr::value_type nan, double *const avg=NULL)

Detailed Description

Return variance of Expr optionally neglecting values == nan and optionally store mean to pointed address.

Function Documentation

template<class Expr , int N>

double ltl::variance	(	const ExprBase< Expr, N > &	e,
		double *const	avg = NULL
	)

References ltl::average(), ltl::ExprBase< Derived_T, N_Dims >::derived(), and ltl::ExprNode< A, N >::reset().

Referenced by ltl::kappa_sigma_average(), and ltl::stddev().

template<class Expr , int N>

double ltl::variance	(	const ExprBase< Expr, N > &	e,
		const typename Expr::value_type	nan,
		double *const	avg = NULL
	)

References ltl::average(), ltl::ExprBase< Derived_T, N_Dims >::derived(), and ltl::ExprNode< A, N >::reset().