wprod {poset}

The product-order win function for multivariate ordinal data

Description

A common rule of comparison for the fun argument in wrtest and wreg. A winner has all its components greater than or equal to those of the loser, and strictly so for at least one component.

Usage

wprod(y1, y0)

Arguments

y1

A K-dimensional vector y_1.

y0

A K-dimensional vector y_0.

Value

An integer in {1, 0, -1}:

1

If y_1 \ge y_0 component-wise, with strict inequality for at least one component.

-1

If y_0 \ge y_1 component-wise, with strict inequality for at least one component.

0

Otherwise.

See Also

wrtest, wreg.