likelihoodD {diagL1}

Calculate Likelihood Displacement

Description

Calculate Likelihood Displacement

Usage

likelihoodD(model)

Arguments

model

Object returned from regL1 representing the fit of the L1 model.

Value

Likelihood Displacement

A vector with Likelihood Displacement for each observation.

.

References

Elian, S. N., André, C. D. S. and Narula, S. C. (2000). Influence Measure for the L₁ regression. Communications in Statistics - Theory and Methods, 29(4), 837-849. doi:10.1080/03610920008832518.

Examples

set.seed(123)
x = matrix(rnorm(100), ncol = 2)
y = x[, 1] + x[, 2] + rlaplace(50, 0, 5)

# Fits a linear regression L1 model
mod1 = regL1(y ~ x)
likelihoodD(mod1)