outGrubbs: Outlier Test

In arnima-github/arni: Arni's Toolbox

Outlier Test

Description

Detect outliers in normal-distributed sample, using Grubbs test.

Usage

outGrubbs(x, output = c("stripped", "outliers", "which"), alpha = 0.05,
  log = FALSE)

Arguments

x	a numeric vector.
output	the required output, see Value below.
alpha	the significance level for a two-way test.
log	whether outlier detection should be performed on log(x).

Value

Vector like x with outliers removed, or if output="outliers" the outlier values, or if output="which" a vector indicating which elements are outliers.

Note

Grubbs (1969) cited in Sokal and Rohlf (1995, p. 407), recommending sample size > 25.

arnima-github/arni documentation built on Oct. 28, 2023, 6:18 p.m.