[R] Pattern recognition

[S Peri]

A small correction:

 a,b,c,d - On X-axis
 course points : on Y-axis for all students. 


2. I do not know if this can be called pattern
recognition. What i mean is the line patterns in the
line graph. 

P



--- S Peri <biocperi at yahoo.com> wrote:
> Dear group, 
>  
> A data matrix when plotted as a line plot, I see
> several 
> patterns. For example, how my students performed for
> different courses they took this academic year. I
> need
> to find out a pattern divided into three
> categories...
> say excellent, mediocral and worst.  How can I be
> able
> to fix a threshold and seperate the patterns into
> these 3 categories. The question being asked is:
> I want to pick those students who are exceptionally
> good in a course and exceptionally bad in a course
> (here 2 bins) and third category being, for a given
> course i did not see any students who performed
> either
> good or bad (pretty much a straight line or all
> students behave the same way).
> 
> my question is Can I do this in R. If so, would you
> please suggest some good tutorials, considering the
> fact that i am not a statistician.
> 
> The arbitarary matrix is:
> a,b,c,d - On X-axis
> Stu. 1 - 5 : on Y-axis,
> 
> 
> 	Stu1   stu2    stu3   stu4     stu5
> a	1	2	7	3	2
> b	2	2	3	2	3
> c	2	1	2	3	2
> d	1	2	6	2	1
> 
> 
> Thanks
> P.
> 
> ______________________________________________
> R-help at stat.math.ethz.ch mailing list
> https://stat.ethz.ch/mailman/listinfo/r-help
> PLEASE do read the posting guide!
> http://www.R-project.org/posting-guide.html
>