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The Interquartile Range

Syntax

IQR(x)

Description

This function computes interquartile range of the data values in its arguments. Note that this function compute the quartiles using the function quantile rather than following Tukey's recommendations.

References

Tukey, J. W. (1977). Exploratory Data Analysis. Reading: Addison-Wesley.

See Also

fivenum, quantile.

Examples

data(rivers) IQR(rivers)