does lty not work?  please read the posting guide.

On Tue, Jun 10, 2008 at 12:13 PM, Tariq Perwez <tariq.perwez@gmail.com>
wrote:

> Hi,
> I am trying to plot multiple lines on one plot such that all lines are of
> the same color (black) and continuous. I need to distinguish these multiple
> plots from each other by using different symbols (I am using pch=).
> However,
> all my lines are broken on both sides of the symbols. This unfortunate (and
> unsightly) behavior seems to be the default. In my search of the help
> archives for R over several days, I have not been able to solve this
> problem. I would appreciate any help and suggestions. My code for the plot
> is below (minus the data):
>
> exa1.1 <- read.table("multcol.txt", header=T, sep='    ')# Total of 4
> columns; first one to be on x-axis
> attach(exa1.1)
> names(exa1.1)
> exa1.1
>
>
> plot(exa1.1$Year, exa1.1$EM, ylim=range(exa1.1[,-1]), type = 'b' ,pch=16,
> main = ""), las=1, cex.main=1.75,lab =c(12,8,10), ylab="", xlab="", )
> lines(exa1.1$Year,exa1.1$IM,type='b', pch=1)
> lines(exa1.1$Year,exa1.1$BM,type='b', pch=17)
> mtext(side = 2, text = "Klett units", line = 3.5, cex=1.2)
> mtext(side = 1, text = expression(Time~at~37*degree*C~(minutes)), line =
> 2.75,cex=1.2)
>
>
> Regards,
>
> Tariq
>
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>
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> PLEASE do read the posting guide
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> and provide commented, minimal, self-contained, reproducible code.
>



-- 
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little or so large that all they really do for us is puff us up and make us
feel like gods. We are mammals, and have not exhausted the annoying little
problems of being mammals.

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