On 2012-03-01 13:52, John Kane wrote:
No it's an outlier problem, I think.
If you have a fairly small number of sets of these numbers simple visual
inspection of a boxplot for each set would probably acomplish what you want.
Try this in R for an example. Just paste the next two lines into R
xx<- c(1, 1, 2, 10, 100, 10,1)
boxplot(xx)
For graphical analysis, I would prefer plot(xx, type="h").
But "most different as compared to the others" is not
well-defined. Possibly something like scale(xx) would help.
Peter Ehlers
After this it gets more complicated, but it you're new here let's take it one
step at a time
John Kane
Kingston ON Canada
-----Original Message-----
From: suranga...@gmail.com
Sent: Thu, 1 Mar 2012 09:30:59 -0800
To: r-help@r-project.org
Subject: [R] Standard variance / devistion clarification
Dear gurus,
Im a newbie, and I want to ask a very general question.
Assume that I have a set of numbers as follows,
1, 1, 2, 10, 100, 10,1
> From these, I need to identify which number is the most different as
compared to others. (in this case, it will be 100, since its way larger
than the other numbers). It doesnt have to be specifically this way, but
I
need to identify which number(s) are most different compared to the
others.
Any idea as to what I need to do this ? Im a math noob, so I'm also going
to need to ask it this is called 'standard deviation' or 'variance' :-)
--
Best Regards,
Suranga
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