[R] Boxplot has only one whisker

[tom]

Ivan Calandra wrote:
> 
>   Try with more data points?!
> You have only five points, the last one being considered as outlier.
> Note that boxplot() requires a numeric vector for specifying data from 
> which the boxplots are to be produced!
> 

But why is only one of the boxplots missing his whisker? I use the same data
for both boxplots.
thx,
tom




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