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.
>
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