[R] Orientation of tickmarks labels in boxplot/plot

[Michal Lijowski]

Hi,

I have been trying draw tickmark labels along
the y - axis perpendicular to the y axis while
labels along the x - axis parallel to x axis
while making box plot.

Here is my test dataset.

 TData
   ID Ratio
1   0 7.075
2   0 7.414
3   0 7.403
4   0 7.168
5   0 6.820
6   0 7.294
7   0 7.238
8   0 7.938
9   1 7.708
10  1 8.691
11  1 8.714
12  1 8.066
13  1 8.949
14  1 8.590
15  1 8.714
16  1 8.601

 boxplot(Ratio ~ ID, data=TData)

makes box plot with tickmark labels parallel to the y - axis.
So I try 

boxplot(Ratio ~ ID, data=TData, axes=FALSE)
par(las=0)
axis(1)
and I get x - axis ranging from 0.5 to 2.5 (why?) and 
boxes at 1 and 2.
par(las=2)
axis(2)
box()
So, if I set tickmark labels parallel to y - axis
somehow the x - axis range is not what I expect even
if I use xlim = c(0.0, 3.0)
 in boxplot(Ratio ~ Id, data=TData, axes=FALSE, xlim=c(0.0, 3.0))
 par(las=0)
 axis(1)

Plots are in the attachments in pdf format.

I appreciate any tips.

I am using R 2.2.0 (2005-10-06) on FC4.

Michal







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