indicate_outliers: Creates new columns to indicate which values are outliers...

Description Usage Arguments Value Examples

View source: R/outliers.R

Description

Creates new columns to indicate which values are outliers based on the average value.

Usage

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indicate_outliers(
  data,
  select_columns = NULL,
  group_variable,
  std_dev_value = 1.96,
  zero_is_outlier = FALSE
)

Arguments

data

A data.frame

select_columns

A string or vector of strings with the name(s) of the numeric columns to check for outliers. If NULL (default), will use all numeric columns in the data.

group_variable

A string with the name of the column with the grouping variable.

std_dev_value

A number indicating how many standard deviations away from the mean to determine if a value is an outlier.

zero_is_outlier

If TRUE (not default), reports any zero value as an outlier.

Value

The initial data.frame with new columns for each numeric variable included with a value of 0 if not an outlier and 1 if that row is an outlier.

Examples

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indicate_outliers(mtcars, "drat", group_variable = "am")
indicate_outliers(mtcars, "drat", group_variable = "am", zero_is_outlier = TRUE)

crimeutils documentation built on Feb. 3, 2021, 5:07 p.m.