The IQR criterion holds that any value lower than one-and-a-half times the interquartile range below the first quartile, or higher than one-and-a-half times the interquartile range above the third quartile, is an outlier. This function returns a logical vector that identifies those outliers.
iqrOutlier(x)
x | The vector to scan for outliers. |
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A logical vector where TRUE identifies outliers.
IQR
### One outlier in the miles per gallon iqrOutlier(mtcars$mpg);#> [1] FALSE FALSE FALSE FALSE FALSE FALSE FALSE FALSE FALSE FALSE FALSE FALSE #> [13] FALSE FALSE FALSE FALSE FALSE FALSE FALSE TRUE FALSE FALSE FALSE FALSE #> [25] FALSE FALSE FALSE FALSE FALSE FALSE FALSE FALSE