altR2 (version 1.1.0)

estimate_adj_R2: Obtain estimates of the multiple squared correlation

Description

Returns different estimates of the multiple squared correlation.

Usage

estimate_adj_R2(Rsquared, N, p)

Value

A named vector with the different estimates

Arguments

Rsquared

R-squared value

N

Number of observations

p

Number of predictors

Examples

## Annette Dobson (1990) "An Introduction to Generalized Linear Models".
## Page 9: Plant Weight Data.
ctl <- c(4.17, 5.58, 5.18, 6.11, 4.50, 4.61, 5.17, 4.53, 5.33, 5.14)
trt <- c(4.81, 4.17, 4.41, 3.59, 5.87, 3.83, 6.03, 4.89, 4.32, 4.69)
group <- gl(2, 10, 20, labels = c("Ctl", "Trt"))
weight <- c(ctl, trt)
lm.D9 <- lm(weight ~ group)
estimates <- estimate_adj_R2(summary(lm.D9)$r.squared, length(weight), 1)