Hello all,
I have been meaning to learn R for a while and have just subscribed to this
list. I am planning to give R a shot at one of my live projects. I am looking
to explore graphical features of R on my data below.
Sample Data:
Cat1 - Cat2 - Cat3 - Cat4 - NumPeople - Salary
H - L - H - L - 100 - 50000
L - L - L - L - 40 - 30000
- H - H - - 100 - 45000
Cat1 through Cat4 are categorical variables containing High, Medium, Low or
Blank values and the last two variables are continuous.
1. Is there a good way of graphically representing this data in R? I am
looking for total population and average salary within each combination of
values.
2. Cat1 and Cat2 are related while Cat3, Cat4 are related. I have a grid in
Excel that summarizes by having (Cat1 + Cat2) on the left and (Cat3 + Cat4) on
the top. Could we draw this kind of matrix using R? I started looking up this
morning and see that this could be done using trellis objects. I will
appreciate if anyone has examples similar to this.
Thanks,
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