| IQRw | R Documentation | 
computes interquartile range of the x values. Weights are supported.
IQRw(x, weights = NULL, na.rm = FALSE, type = 7)
| x | a numeric vector. | 
| weights | an optional numeric vector giving the sample weights. | 
| na.rm | logical. Should missing values be removed? | 
| type | an integer selecting one of the many quantile algorithms, see  | 
This implementation is based on Quantile() function, which allows to define weights.
Andri Signorell <andri@signorell.net>
Median(), Quantile(), 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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