# .lambda_bvirr: Internal function to produce lambda coefficients to use in the Case V correction for bivariate indirect range restriction.

## Description

Internal function to produce lambda coefficients to use in the Case V correction for bivariate indirect range restriction.

## Usage

.lambda_bvirr(ux, uy, sign_rxz = 1, sign_ryz = 1)

## Arguments

ux

Vector of observed-score u ratios for X.

uy

Vector of observed-score u ratios for Y.

sign_rxz

Sign of the relationship between X and the selection mechanism.

sign_ryz

Sign of the relationship between Y and the selection mechanism.

## Value

A vector of lambda values.

## References

Dahlke, J. A., & Wiernik, B. M. (2018). *One of these artifacts is not like the others:
Accounting for indirect range restriction in organizational and psychological research*.
Manuscript submitted for review.