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a0italy
2009 Mar 30
1
quantile and IQR do not check for numeric input (PR#13631)
This report follows the post
http://tolstoy.newcastle.edu.au/R/e6/devel/09/03/0760.html
where it is shown that quantile() and IQR() do not work as documented.
In fact they do not check for numeric input even if the documentation says =
:
?quantile
x numeric vectors whose sample quantiles are wanted. Missing
values are ignored.
?IQR
x a numeric vector.
> quantile(factor(1:9))
0%