r2predict: Calculates R2 prediction statistic.

In fhernanb/model: This Package Contains Useful Functions for Modeling Regresion

Calculates R2 prediction statistic.

Description

This function calculates R2 prediction statistic.

Usage

r2predict(mod)

Arguments

mod	A lm object.

Value

The press function returns the press statistic defined as R2predict=1-PRESS/SST.

Examples

x <- c(1, 1, 2, 3, 3, 4, 4, 4, 4.7, 5, 5.6, 5.6, 5.6, 6, 6, 6.5, 6.9)
y <- c(10.84, 9.3, 16.35, 22.88, 24.35, 24.56, 25.86, 29.16, 24.59,
       22.25, 25.9, 27.2, 25.61, 25.45, 26.56, 21.03, 21.46)
mod <- lm(y ~ x)
r2predict(mod)

fhernanb/model documentation built on March 3, 2024, 12:15 p.m.