olsrr: ols_prep_dfbeta_outliers – R documentation

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ols_prep_dfbeta_outliers

DFBETAs plot outliers

Description

Data for identifying outliers in dfbetas plot.

Usage

ols_prep_dfbeta_outliers(d)

Arguments

`d`	A `tibble` or `data.frame`.

Examples

model <- lm(mpg ~ disp + hp + wt + qsec, data = mtcars)
dfb <- dfbetas(model)
n <- nrow(dfb)
threshold <- 2 / sqrt(n)
dbetas  <- dfb[, 1]
df_data <- data.frame(obs = seq_len(n), dbetas = dbetas)
d <- ols_prep_dfbeta_data(df_data, threshold)
ols_prep_dfbeta_outliers(d)

olsrr

Tools for Building OLS Regression Models

v0.5.3

MIT + file LICENSE

Authors

Aravind Hebbali [aut, cre]

Initial release