[R] filled.contour as image

2009-06-10 Thread Muri Soares
tion to display colour bars it is a lot less useful. Cheers Muri Soares Department of Maths and Applied Maths University of Cape Town South Africa [[alternative HTML version deleted]] __ R-help@r-project.org mailing list https://stat.

[R] Help with biplot function

2008-06-09 Thread Muri Soares
Hi All, Is there a way to omit the variables in the graphical output of the biplot function (so that only the categories are shown in the plot)? In addition does the identify function work with the biplot function? Thank you, [[alternative HTML version deleted]] _

[R] Adding a subset to a glm messes up factors?

2007-12-07 Thread Muri Soares
Hi everyone, I have a problem with running a glm using a subset of my data. Whenever I choose a subset, in the summary the factors arent shown (as if the variable was a continuous variable). If I dont use subsets then all the factors are shown. I have copied the output from summary for both case

[R] grouping rows into bin ranges

2007-10-22 Thread Muri Soares
Hi everyone, I have a matrix that contains 1000 replicates of a sample of a list of values. I want to group each row (row=replicate) into my defined bin ranges and then calculate the mean and stdev for each of the bin ranges (so I will have 1000 rows but ncol=number of bin ranges). I don't kno

[R] How to count the number of objects in a matrix?

2007-10-21 Thread Muri Soares
Hi all, How do you count the number of objects in a matrix? Sorry if it's too basic a question. Thanks, __ [[alternative HTML version deleted]] __ R-help@r-project.org mailing list https://s

[R] Plotting two distance matrices

2007-10-09 Thread Muri Soares
Hi all, I'm trying to plot two distance matrices against each other (74x74,phylogenetic distance and phenotypic distances). However R gives an error message:"Error in plot.new() : figure margins too large". Is it because I have too many points to plot? Thanks in advance, Muri _

[R] Trouble writing distance matrices to file

2007-10-09 Thread Muri Soares
Hi all, I have a distance matrix, created in R (using vegdist). When I use write.matrix to write it to a file, it writes a matrix with values in the upper diagonal. Is it possible to get R to write only the lower diagonal values (since the matrix that it creates with vegdist actually only has lo

[R] Reading distance matrices

2007-10-08 Thread Muri Soares
Hi all, I've been having trouble reading in distance matrices (values in lower triangle only) that have been created by other programs. They load with NA values in the upper triangle. Is there an option to read the matrices properly? Thanks, Muri _