[R] adjusting x-axis labels

suggestions to help solve these problems would be greatly appreciated. I am new to working with graphics in R. Thanks, Adrienne Keller Graduate Student, College of Forestry University of Montana adrienne.kel...@umontana.edu (Phone) 651-485-5822 __ R

[R] two panel figure using barplot2

of gplots? Is there a simple way to make a two panel figure with two barplots side by side using barplot2? Thank you, Adrienne Keller Graduate Student, College of Forestry University of Montana adrienne.kel...@umontana.edu (Phone) 651-485-5822 __ R-help@r

[R] change plot area in barplot2

I would like to change the plot area for a figure I made with barplot2 so that it is rectangular (for example, 5 x 3 inches) rather than square, which is the default. What is the best way to do this? Thanks, Adrienne __ R-help@r-project.org

[R] par code help

to change the font size of xlab and ylab? I don't understand par() well enough to know what to change. I figured changing the numbers after usr might help but I don't understand what these numbers refer to and guess and check hasn't gotten me anywhere. Thanks, Adrienne Keller Graduate

[R] Problem loading packages in R 2.13.0 on Mac

I am having problem loading packages in the newest version of R (2.13.0) on my Mac. I have tried to install various packages (e.g. lawstat, Rcmdr, car) and load them using the Package Installer and Package Manager menu options but I get the follow error: library(lawstat) Loading required

[R] denoting post-hoc test differences using letters

Is there code in R to automatically assign letters to different groups that are found to be statistically significant using a post-hoc test following an ANOVA? For example, let's say I found that relative rates of tree growth were statistically significant between tree species using an

[R] Formatting names.arg

, ci.u=apAprilplusordered, cex.lab=1.5) For example, I want 'Dialium' to be located above 'guianensis' on the x-axis. Is there a way to do this? Thanks, Adrienne Keller [[alternative HTML version deleted]] __ R-help@r-project.org mailing list

[R] selecting only specific rows in R

in the column tree species. Ideas on how to write such a function? Thanks, Adrienne Keller __ 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