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> I would like to make certain portions of axis lines thicker (as Tufte > suggests). How can I draw on axes? I only need a couple of line > segments on the left and bottom one. How about: plot (1, 1, xlim...

The documentation for the POSIXlt class states '"POSIXlt" objects will often have an attribute "tzone", a character vector of length 3 giving the time zone name from the TZ environment variable and the names of the base time zone and...

Dear all, I would like to fit an lm in which a subset of the explanatory variables are linearly dependent. Thus I would like to include the restriction that all betas of these variables sum to 1. Is there a...

Dear all, Is it possible to access data objects and functions that are saved in a .Rdata different (e.g. in another directory) than that which is currently in use but without loading it into the .GlobalEnv, but possibly such...

Hi All! Can someone help me with the following problem? Lade n?tiges Paket: tcltk Loading Tcl/Tk interface ... Error in dyn.load(file, ...) : kann shared library '/Library/Frameworks/R.framework/Versions/2.6/ Resources/library/tcltk/libs/ppc/tcltk...

Bj?rn Klatt <b.k.klatt <at> gmx.de> writes: > > Dear R mac users, > > I am currently thinking about updating my system to Mac OS 10.7 > (Lion). Does anyone know about problems or has experiences with the > compatibility of...

Hi Murray > I am trying to perform a model 3 ANOVA for a 2 factor (say factor A and > factor B) anova in which factor A is fixed and factor B is random. > ... > In addition, I have tried using lme...

> Thanks for your suggestion. I guess the model you are fitting here > has only a single random effect term, namely subject. If the effect > of A depends on S, one needs to include an additional random effects > term for the...

Dear all, I am currently trying to draw some barplots. I have positive and negative values in my columns and I would like the positive values to be stacked on top of each other in the positive and the negative...

Dear all, is this a bug or do a miss something (this concerns version 0.63.1 on Linux)? > boxplot (c (1, 2, 3, 4, 5), ylim= c (-5, 5)) Warning: parameter "ylim" couldn't be set in high-level...

Hi Kevin, > Another question about graphics... > > ... > > This is when I have this problem. The first plot of foo.plot(y) will go > into the last empty space in the foo.plot(x) region. This is expected as > I set up...

> I am fitting a two-level mixed model which assumes equality of > variance in the lowest-level residuals across groups. > The call is: > > fit3<-lme(CLnNAR~CLnRGR,data=meta.analysis, > + na.action="na.omit",random=~1+CLnRGR|study.code) I...

> When I generate a "special" paper postscript image larger than > "a4" or "letter" using R, I can only see one-page portion of all > image, of course. > What will be the simple solution for this? Is there any way I...

Dear Douglas, > I would be happy to re-institute p-values for fixed effects in the > summary and anova methods for lmer objects using a denominator > degrees of freedom based on the trace of the hat matrix or the rank...

Dear Ronny, > I have sucsessfully used a linear mixed effect model, lme, > (REML). The results are satisfactory, but I have problems > with sorting out how to report the result in a scientific paper. > > Is there a genearal guidance for reporting...

Dear all, I would like to run the follwing command in R 0.62.2: all.scanned <- scan ("all.txt", what= character (), sep= ";") Now my Problem is that the character fields separated by ; also contain tabs and returns which I...

Dear all, The following works with a simple result of lm but gives the error with a more complicated one (could this be due to singularities that occurr in the model?). > cooks.distance (X) Error: NAs in foreign function call...

Dear all, can you tell me why in the following boxplot (gs.spe, names.x= spec.abbr, ylab= "", xlab= "species", yaxt= "n", xaxt= "n", cex.axis= 2) yaxt, xaxt and cex.axis has no effect? Even if I apply the...

I do not think anyone has answered this. > I'm trying to run a simple one-way ANCOVA with the lmer > function in R package lme4, but have encountered some > conceptual problem. The data file MyData.txt is like this...

> We study the effect of several variables on fruit set for 44 > individuals (plants). For each individual, we have the number > of fruits, the number of flowers and a value for each variable. > ... > - Glm does not take account of the...