R help - Jun 2010 - 45 degree tick marks

Hello experts.

Sorry this is such a novice question, but I have been trying, fruitlessly to
get my x axis to angle at 45 degrees.  I have tried the text() call with srt
and adj and just cannot get my labels to tilt.  Does anyone have any other
suggestions?  The following is my command for the graph.  Thanks in advance
for any help you might be able to provide!

beloitstudent

library(plotrix)

 Saline <- structure(list(Time = c(-20L, 0, 30L, 45L, 60L, 80L, 110L, 140L,
200L, 260L, 320L), Average = c(0, NA, 0, 3.227902, 5.066664,
 6.107491, 6.968231, 7.325713, 7.875194, 6.513927, 4.204342),
    SEM = c(0, NA, 0, 0.7462524, 1.1623944, 1.5027762, 1.3799637,
    1.2282053, 1.1185175, 0.5386359, 0.6855906)), .Names = c("Time
(min)",
 "Arterial Plasma Acetaminophen (?g/mL)", "SEM"), class =
"data.frame",
row.names = c("1", "2",
 "3", "4", "5", "6", "7",
"8", "9", "10", "11"))
 
plotCI(x=Saline [,1],y=Saline [,2], uiw=Saline [,3], err="y",
  pt.bg=par("bg"),pch=19, cex=3 ,gap=0, sfrac=0.005,
 xlim=c(-30,340),xaxp=c(-30,320,12), xlab="Time (min)", ylim=c(0,14),
  yaxp=c(0,14,14), ylab="Arterial Plasma Acetaminophen (?g/mL)",
las=1,
axes=FALSE,
 font.lab=2,cex.lab=1.6)   
 
Ex <- structure(list(Time = c(-20L, 0, 30L, 45L, 60L, 80L, 110L, 140L,200L,
260L, 320L), Average = c(0, NA, 0, 3.901, 5.654, 8.272, 8.061, 9.332,9.0033,
6.295, 4.313),SEM = c(0, NA, 0, 0.618, 0.991, 0.994, 0.857,1.319, 1.014,
0.822, 0.785)), .Names = c("Time (min)",
"Arterial Plasma Acetaminophen (?g/mL)", "SEM"), class =
"data.frame",
row.names = c("1", "2",
"3", "4", "5", "6", "7",
"8", "9", "10", "11"))

plotCI(x=Ex [,1],y=Ex [,2], uiw=Ex [,3], err="y",
pt.bg="white",pch=21, col="black",cex=3 ,gap=0, sfrac=0.005,
 xlim=c(-30,340),xaxp=c(-30,320,12), xlab="Time (min)", ylim=c(0,14),
  yaxp=c(0,14,14), ylab="Arterial Plasma Acetaminophen (?g/mL)",
las=1,
font.lab=2, axes=FALSE,
add=TRUE, cex.lab=1.9)   

axis(1, at=c("-20", "0", "30", "45",
"60", "80", "110", "140",
"200", "260",
"320"), lwd=2, font=2, pos=0,cex.axis=1.3)
axis(2, las=1, at=c("0", "2", "4", "6",
"8", "10", "12", "14"), lwd=2,
font=2,pos="-20",cex.axis=1.7)

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On 06/10/2010 01:44 PM, beloitstudent wrote:
>
> Hello experts.
>
> Sorry this is such a novice question, but I have been trying, fruitlessly
to
> get my x axis to angle at 45 degrees.  I have tried the text() call with
srt
> and adj and just cannot get my labels to tilt.  Does anyone have any other
> suggestions?  The following is my command for the graph.  Thanks in advance
> for any help you might be able to provide!
>
Try the staxlab function in plotrix.

Jim

On Jun 10, 2010, at 7:18 AM, Jim Lemon wrote:
> On 06/10/2010 01:44 PM, beloitstudent wrote:
>> 
>> Hello experts.
>> 
>> Sorry this is such a novice question, but I have been trying,
fruitlessly to
>> get my x axis to angle at 45 degrees.  I have tried the text() call
with srt
>> and adj and just cannot get my labels to tilt.  Does anyone have any
other
>> suggestions?  The following is my command for the graph.  Thanks in
advance
>> for any help you might be able to provide!
>> 
> Try the staxlab function in plotrix.
> 
> Jim

Also see:

 
http://cran.r-project.org/doc/FAQ/R-FAQ.html#How-can-I-create-rotated-axis-labels_003f

HTH,

Marc Schwartz