On Oct 28, 2009, at 8:00 PM, Sean Parks wrote:
Hi,
I would like to make a box and whisker plot but use a sample weight
for each
observation. I've searched around a bit and have not found a method
of
doing this.
Anyone have any advice?
There are a variety of ways to get weighted quantiles. Two that have
come up in recent r-help postings are the facilities in the quantreg
package and wtd.quantile in Hmisc. Once you have calculated the five
numbers that define a box-whisker plot they can be passed to bxp.
?bxp
--
David Winsemius, MD
Heritage Laboratories
West Hartford, CT
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