[R] Barplot With Selected X-Axis Region
ligges at statistik.tu-dortmund.de
Tue Mar 24 14:36:40 CET 2009
Gundala Viswanath wrote:
> Dear all,
> I have a data that looks like this:
> V1 V2
> 1 -43342073 14
> 2 -43337730 4
> 3 -43284676 1
> 11372 75188572 11
> 11373 75206165 6
> 11374 75262720 24
> What I want to do is to have a barplot where x-axis
> is taken from V1 and y-axis taken from V2.
> But I only want to plot the those region where V1 >= -500
> and <= 500.
> But some how this snippet doesn't seem to work:
>> xlim = c(-500,500)
>> barplot(as.matrix(dat[dat$V1 >= -500 && dat$V1 <=500,dat$V2]),xlim=xlim,axes=TRUE, main =nm);
You need to change
dat$V1 >= -500 && dat$V1 <=500
dat$V1 >= -500 & dat$V1 <=500
and read about the difference between & and &&.
So probably you want something like:
subsetdat <- dat[dat$V1 >= -500 & dat$V1 <=500,]
> What's wrong with my approach.
> So yes, I do want the V1 information, hence I am aware that
> I dont' want:
>> plot(hist(dat[dat >=-500 & dat <=500]))
> - Gundala Viswanath
> Jakarta - Indonesia
> R-help at r-project.org mailing list
> PLEASE do read the posting guide http://www.R-project.org/posting-guide.html
> and provide commented, minimal, self-contained, reproducible code.
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