Check for outlier values in a data frame

Calculates the count and percentage of outlier values using IQR method (values beyond Q1 - 1.5IQR or Q3 + 1.5IQR).

Usage

check_outliers(data)

Arguments

data

A data frame

Value

A data frame with one row per column of data, containing:

column_name

Name of the column.

n_outliers

Number of outlier values.

pct_outliers

Percentage of outlier values, rounded to 2 decimals.

Examples

df <- data.frame(
  x = c(1, 2, 3, 4, 100),
  y = c(10, 12, 11, 13, 12)
)
check_outliers(df)
#>   column_name n_outliers pct_outliers
#> 1           x          1           20
#> 2           y          0            0