Hi Folks,
Say I am working with the following data set:
testResults:
stud test score
1 1 fTest 43
2 1 rTest 39
3 1 gTest 43
4 2 fTest 23
5 2 rTest 33
6 2 gTest 41
.
.
.
N n gTest 47
I would like to generate a boxplot of rTest only. Here is what I have
done after reading the data in and attaching the object.
test <- factor(test)
Now when I try
boxplot(score ~ test, subset = test=="rTest")
1. I still see the tick marks for the other factors on the x-axis
although no data are plotted. Can I eliminate these extra markers
(and the space for these faactors) and just have the tick marker and
the label for "rTest"?
2. I would also like to be able to rearrange the tests as they appear
from left to right on the graph. I read the hints and help about
reorder.factor but it does not seem to be the solution in this case.
I am wanting to re-order the boxes without any logic (statistical
anyways). Can this be done?
Thanks in advance,
Sumit
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