summary.liureg {fastliu}R Documentation

Summarizing Liu Regression Fit

Description

summary method for liureg objects.

Usage

## S3 method for class 'liureg'
summary(object, digits, ...)

Arguments

object

An object of class liureg.

digits

Number of decimal places in the data frame of Liu regression statistics.

...

Not used in this implemetation.

Details

summary.liureg produces an object with S3 class summary.liureg. The function returns a list of summary statistics of the Liu regression fit for the grid of regularization parameter \lambda values. Each element of the output list includes:

coefficients A p\times 5 matrix with columns coefficient estimates, scaled coefficient estimates, scaled standard errors, scaled t-values with corresponding p-value.
Statistics Liu related statistics R^2, \textrm{adjusted}-R^2, F-statistics, AIC, BIC and MSE values.

Value

The returned object is a list whose elements are Liu regression coefficient estimates and statistics related to Liu regression.

Author(s)

Murat Genç

See Also

liureg(), coef(), predict(), residuals()

Examples

Hitters <- na.omit(Hitters)
X <- model.matrix(Salary ~ ., Hitters)[, -1]
y <- Hitters$Salary
lam <- seq(0, 1, 0.01)
liu.mod <- liureg(X, y, lam)
summary(liu.mod)

[Package fastliu version 1.0 Index]