search for: conifers

Hello, I have a data set that needs to be combined so that rows are summed by a group based on a certain variable. I'm pretty sure rowsum() or rowsums() can do this but it's difficult for me to figure out how it will work for my data based on the examples I've read. My data are structured like this: Plot SizeClass Stems 12 Class3 1 12 Class4

I'm trying to use tapply to output means and SD or SE for my data but seem to be limited by how many times I can subset it. Here's a snippet of my data > stems353[1:10,] Time DataSource Plot Elevation Aspect Slope Type Species SizeClass Stems 1 Modern Cameron 70F221 1730 ESE 20 Conifer ABCO Class1 3 2 Modern Cameron 70F221 1730

R developers, I've been happily building packages, under windows, for some time now and upgraded to R 2.1.0 and now when I attempt to build a package, I get the following errors... C:\conifers>rcmd build Rconifers * checking for file 'Rconifers/DESCRIPTION' ... OK * preparing 'Rconifers': * checking DESCRIPTION meta-information ... OK * cleaning src * checking whether 'INDEX' is up-to-date ... OK * removing junk files /cygdrive/C/conifers/Rconifers_0.0-3.tar ta...

...w R has required a "non-broken" version of tar for some time now and was hoping to not have to install any cygwin tools. Since building packages requires the use of MinGW and MSYS, why can't we simply use the tar that's part of msys? After looking at the following results: E:\conifers>rcmd build --binary rconifers * checking for file 'rconifers/DESCRIPTION' ... OK * preparing 'rconifers': * checking DESCRIPTION meta-information ... OK * cleaning src * checking whether 'INDEX' is up-to-date ... NO * use '--force' to overwrite the existing 'I...

Hi Helpers: I have a factor object that has 314k entries of 39 land cover types. (This object can be coerced to characters neatly should that be easier to work with.) > length(foo) [1] 314482 > foo[1:10] [1] Montane Chaparral Barren Red Fir Red Fir [5] Red Fir Red Fir Red Fir Red Fir [9] Red Fir Red Fir 39 Levels:

I have long axis labels (8units) on the x axis and 2 unit number labels on the y axis. I need to move the x axis title without moving the y axis title. I have used mgp=c(title, label and line), but mgp moves both the x and y titles. The following puts the y axis title way way out to the left. Anyone know how to move just the x axis. X11() conif<-c("Control", "Switched

...package and would like to crush a WARNING message for a clean build. I've been struggling with this question and haven't gotten any traction on the web either. I've got a document file (Rd) that contains the following \usage statement: \name{sample.data} \alias{sample.data} \title{CONIFERS forest growth model sample data} \description{ A list object of type \code{sample.data} stores all of the basic information about a \code{\link{data.frame}} object representing a sample of plants.} \usage{ x <- list( plots=data.frame(), plants=data.frame(), age=0, x0=0.0, n.years.projected=0 )...

...colours (only black and white) either in the histograms or in the strip. There must be some simple argument but I can’t find it. Here is my code so far: > histogram(~GRC.SLA|as.factor(species.type),data=group.means, + strip=function(...) + strip.default(...,style=1,factor.levels=c("Conifers","Trees","Herbs","Mo nocots"))) As a default, this produces the bars in a pale blue and the strip in orange-yellow. Thanks. Bill Shipley Subject Matter Editor, Ecology North American Editor, Annals of Botany Département de biologie, Université de Sh...

I'm adding a couple of vignettes to an existing package. When I make a change to the sweave file, and run the check command, c:\conifers\trunk>R CMD check rconifers I get the following message(s) in the 00check.log file: * checking for unstated dependencies in vignettes ... OK * checking package vignettes in 'inst/doc' ... WARNING Package vignette(s) without corresponding PDF: 'ConifersIntroVignette.rnw' &...

R gurus: I'm trying to get another round of rconifers out and I need some advice/help crushing differences in the examples test. I'm trying to make sure the max sdi values are being respected. I've added a tests/rconifers-Ex.Rout.save (from windows i386-pc-mingw32) and when I ran R CMD check (both R-2.13.0), I got the following results: *...

Dear all I'm not sure if I did the right analysis for my specific split splot design. We are studying biomass increase with different CO2 concentrations with four different functional plant groups (e.g. grasses, herbs, broad-leafed trees and conifers). Of each functional plant group we have four species. The design is orthogonal. The design is: Blocks: 2 (climate chambers, called Gruppe) Plot: 3 (3 CO2 concentrations) whole plot treatment is CO2 in each chamber we have the same 4 functional plant groups (funktGr), each represented by fou...

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