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computes interquartile range of the x values. Weights are supported.

IQRw(x, weights = NULL, na.rm = FALSE, type = 7)

a numeric vector.

an optional numeric vector giving the sample weights.

logical. Should missing values be removed?

an integer selecting one of the many quantile algorithms, see Quantile().

Quantile()

Andri Signorell <andri@signorell.net>

This implementation is based on Quantile() function, which allows to define weights.

Median(), Quantile(), IQR(), quantile()

Median()

IQR()

quantile()

x <- c(3.7,3.3,3.5,2.8) w <- c(5, 5, 4, 1)/15 IQRw(x=x, weights=w)

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