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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