I am trying to draw a plot like Matlab does:

The upper extreme whisker represents 95% of the data;
The upper hinge represents 75% of the data;
The median represents 50% of the data;
The lower hinge represents 25% of the data;
The lower extreme whisker represents 5% of the data.

It looks like:

---      95%
 |
 |
-------     75%
|   |
|-----|     50%
|   |
|   |
-------     25%
 |
---      5%

Anyone can give me some hints as to how to draw a boxplot like that?
What function does it? I tried boxplot() but couldn't figure it out.
If it's boxplot(), what arguments should I pass to the function? Thank
you for your help. I'd appreciate it.

Larry

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