Re: [R] Identify groups

From: mike Ad. <>
Date: Sat, 17 May 2008 15:40:05 -0400


Here is an example
of the question I posted yesterday. Suppose there are 10 data sets, each contains 100 values. In data set #3, #5, #9, there are different subgroups. Is there a way to identify these kind of data set?

10, 100);data[3,61:90]=runif(30)+1;



On Fri, May 16, 2008 at 4:52 PM, mike Ad. wrote:  

> Dear group,
> I have hundreds
> of independent data sets, each data sets contains >100 values. In some
> data
> sets, all the values can be classified into several groups with clear
> difference between groups; while in some other data sets, all the
> values are
> randomly distributed. I would like to find a statistics method to
> automatically
> pick out the data sets which have group pattern, or specifically found
> data
> sets have certain number of groups, e.g. 2, 3, 4.
> Are there
> any functions or packages that could solve this issue, or any other
> suggestions?
> Many Thanks!
> /Mike

Give to a good cause with every e-mail. Join the iím Initiative from Microsoft.

        [[alternative HTML version deleted]] mailing list PLEASE do read the posting guide and provide commented, minimal, self-contained, reproducible code. Received on Sat 17 May 2008 - 19:51:30 GMT

Archive maintained by Robert King, hosted by the discipline of statistics at the University of Newcastle, Australia.
Archive generated by hypermail 2.2.0, at Sat 17 May 2008 - 20:32:25 GMT.

Mailing list information is available at Please read the posting guide before posting to the list.

list of date sections of archive