Calculate the cross-variance of two vectors.

The cross-variance function is defined in the reference.

Usage

cross_var(x, y)

Arguments

x

A numeric vector.

y

A numeric vector with the same length as x.

Value

A number

References

Digman, MA, Wiseman, PW, Choi, C, Horwitz, AR, Gratton, E (2009). Stoichiometry of molecular complexes at adhesions in living cells. Proc. Natl. Acad. Sci. U.S.A., 106, 7:2170-5.

Examples

cross_var(0:3, 2:5)
#> [1] 1.25