On 2 Mar 2012 09:12, "Suranga Kasthurirathne" <suranga...@gmail.com> wrote:
> Hi, thank you very much for the advice. I'll try it out, and see where I > can take it from there. > > @david, your point is noted. I will avoid such mails in the future. > On 2 Mar 2012 04:27, "Peter Ehlers" <ehl...@ucalgary.ca> wrote: > >> 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 >>>> >>>> [[alternative HTML version deleted]] >>>> >>>> ______________________________**________________ >>>> R-help@r-project.org mailing list >>>> https://stat.ethz.ch/mailman/**listinfo/r-help<https://stat.ethz.ch/mailman/listinfo/r-help> >>>> PLEASE do read the posting guide >>>> http://www.R-project.org/**posting-guide.html<http://www.R-project.org/posting-guide.html> >>>> and provide commented, minimal, self-contained, reproducible code. >>>> >>> >>> ______________________________**______________________________ >>> Send your photos by email in seconds... >>> TRY FREE IM TOOLPACK at >>> http://www.imtoolpack.com/**default.aspx?rc=if3<http://www.imtoolpack.com/default.aspx?rc=if3> >>> Works in all emails, instant messengers, blogs, forums and social >>> networks. >>> >>> ______________________________**________________ >>> R-help@r-project.org mailing list >>> https://stat.ethz.ch/mailman/**listinfo/r-help<https://stat.ethz.ch/mailman/listinfo/r-help> >>> PLEASE do read the posting guide http://www.R-project.org/** >>> posting-guide.html <http://www.R-project.org/posting-guide.html> >>> and provide commented, minimal, self-contained, reproducible code. >>> >> >> [[alternative HTML version deleted]] ______________________________________________ R-help@r-project.org mailing list https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide http://www.R-project.org/posting-guide.html and provide commented, minimal, self-contained, reproducible code.
