Re: [R] How do I order xyplot line points?
Hi, try this, xyplot(Time~Chromosome|factor(Elements), data = mtx[order(mtx$Chromosome), ], ... [snipped]) HTH, baptiste On 7 November 2010 13:17, Alex Reynolds reyno...@u.washington.edu wrote: I have the following xyplot figure: http://img577.imageshack.us/img577/686/filesizeresults1200.png The data are organized in a matrix file as follows: Type Elements Chromosome Time bedGz 1200 chr1 14.240 bedGz 1200 chr2 7.949 bedGz 1200 chr3 5.103 bedGz 1200 chr4 5.290 bedGz 1200 chr5 5.161 ... The x-axis labels in the Chromosome column are ordered lexicographically in my figure ( chr1 chr10 chr11 ... ) — this is correct. However, the code I use to draw lines between points in the xyplot connects points in numerical order ( chr1 chr2 ... ) — this is incorrect. The problem this causes is most evident in the line that is drawn for the blue bedGz category. What I would like is that categorical points are joined by lines in lexicographic order, to match ordering of labels on the x-axis. How do I modify the xyplot command so that the lines are joined in correct order? Here is the code I am using to draw my xyplot: mtx - read.table(mtxf.in, as.is=F, sep=\t, quote='', header=T, stringsAsFactors=T) attach(mtx) postscript(mtxf.ps, width = 12, height = 6, paper = 'special', horizontal = F) par(mar=c(0.0, 0.0, 0.0, 0.0)) mtx.p - xyplot(Time~Chromosome|factor(Elements), mtx, type=o, groups=Type, col = c( 'red', 'green', 'red', 'green', 'blue'), auto.key=list( lines=TRUE, space=right), ylab=CPU Time (sec), xlab=Type, main=Extraction time for archive types) print(mtx.p) dev.off() Sorry if this is a dumb question. Thanks for your advice. Regards, Alex __ R-help@r-project.org mailing list https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide http://www.R-project.org/posting-guide.html and provide commented, minimal, self-contained, reproducible code. __ R-help@r-project.org mailing list https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide http://www.R-project.org/posting-guide.html and provide commented, minimal, self-contained, reproducible code.
Re: [R] How do I order xyplot line points?
Perfect, thanks! On Nov 7, 2010, at 4:59 AM, baptiste auguie wrote: Hi, try this, xyplot(Time~Chromosome|factor(Elements), data = mtx[order(mtx$Chromosome), ], ... [snipped]) HTH, baptiste On 7 November 2010 13:17, Alex Reynolds reyno...@u.washington.edu wrote: I have the following xyplot figure: http://img577.imageshack.us/img577/686/filesizeresults1200.png The data are organized in a matrix file as follows: Type ElementsChromosome Time bedGz 1200chr114.240 bedGz 1200chr27.949 bedGz 1200chr35.103 bedGz 1200chr45.290 bedGz 1200chr55.161 ... The x-axis labels in the Chromosome column are ordered lexicographically in my figure ( chr1 chr10 chr11 ... ) — this is correct. However, the code I use to draw lines between points in the xyplot connects points in numerical order ( chr1 chr2 ... ) — this is incorrect. The problem this causes is most evident in the line that is drawn for the blue bedGz category. What I would like is that categorical points are joined by lines in lexicographic order, to match ordering of labels on the x-axis. How do I modify the xyplot command so that the lines are joined in correct order? Here is the code I am using to draw my xyplot: mtx - read.table(mtxf.in, as.is=F, sep=\t, quote='', header=T, stringsAsFactors=T) attach(mtx) postscript(mtxf.ps, width = 12, height = 6, paper = 'special', horizontal = F) par(mar=c(0.0, 0.0, 0.0, 0.0)) mtx.p - xyplot(Time~Chromosome|factor(Elements), mtx, type=o, groups=Type, col = c( 'red', 'green', 'red', 'green', 'blue'), auto.key=list( lines=TRUE, space=right), ylab=CPU Time (sec), xlab=Type, main=Extraction time for archive types) print(mtx.p) dev.off() Sorry if this is a dumb question. Thanks for your advice. Regards, Alex __ R-help@r-project.org mailing list https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide http://www.R-project.org/posting-guide.html and provide commented, minimal, self-contained, reproducible code. __ R-help@r-project.org mailing list https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide http://www.R-project.org/posting-guide.html and provide commented, minimal, self-contained, reproducible code.
