On Oct 28, 2013, at 8:30 AM, Ahmed Attia wrote:
Hi
I have a question about drawing a linear line in x, y plot. I usually
use the following code, but for this time the x values are to small
(-0.08 to -0.02)
That is not the problem.
I wrote the following code, but r does not draw the line. However, it
does not give an error when it takes the code.
reg1<- lm(CWSI~NWI, data=Ahmed)
NWI <- seq(-0.08, -0.02, len = -0.02)
> seq(-0.08, -0.02, len = -0.02)
integer(0)
The length argument to seq doesn't make any sense. Please review:
?seq
--
David
lines(NWI, predict(reg1, list(NWI =
NWI)),xlim=c(-0.08,-0.02),ylim=c(0,1),pch=1,col=1,lwd=2, lty=1)
When I wrote the following code
abline(reg1,pch=2,col=2,lwd=2,
lty=2,xlim=c(-0.06,-0.02),ylim=c(0.3,0.8))
the line shows up, but I can not control the xlim or ylim. It bascally
goes across the figure
I appreciate your help
--
Ahmed M. Attia
Research Assistant
Dept. Of Soil&Crop Sciences
Texas A&M University
[email protected]
Cell phone: 001-979-248-5215
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PLEASE do read the posting guide http://www.R-project.org/posting-guide.html
and provide commented, minimal, self-contained, reproducible code.
David Winsemius, MD
Alameda, CA, USA
______________________________________________
[email protected] mailing list
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PLEASE do read the posting guide http://www.R-project.org/posting-guide.html
and provide commented, minimal, self-contained, reproducible code.
