[R] xyplot: tick marks inside panel

2008-06-26 Thread GOUACHE David
Hello all, Working with a typical xyplot figure (for example the first from example(lattice) ) I would like to place the tick marks inside the panels instead of outside. I believe working with the axis argument might be the way to do it, but do not see how? Could anyone help me out in doing this

[R] bwplot with Date object

2008-07-31 Thread GOUACHE David
Hello R-helpers, I would like to produce a boxplot for dates, using lattice. Here is a dummy example : dates<-as.Date(32768:32895,origin="1900-01-01") plouf<-data.frame(days=dates,group=factor(rep(1:2,times=128/2))) bwplot(group~days,data=plouf) # doesn't work, whereas : bwplot(group~as.num

[R] vertical bpplot

2008-07-31 Thread GOUACHE David
Hello all, I have a question on bpplot (or more specifically panel.bpplot used with bwplot) from package Hmisc. I would like to produce a box-percentile plot but vertically. And I hqve not been able to use the horizontal argument... using one of the examples from ?panel.bpplot : bwplot(g ~

[R] strip names lattice graphics

2008-07-31 Thread GOUACHE David
R-helpers, I'm having difficulty with customizing strip names for a lattice graphic. Here is an example using the iris data set : xyplot(Sepal.Length+Sepal.Width~Petal.Length,groups=Species,data=iris) ## I'd like to change the 2 strip names to "Length" and "Width" for example, this is what

[R] RE : bwplot with Date object

2008-08-01 Thread GOUACHE David
st(at=mean(x),relation="free"))) I would have liked one tick at the mean of the x values in each panel... Which isn't what I obtain. How do I customize the location of the tick marks for each panel ? Thanks again. David ________ De: Deepayan Sarkar

[R] RE : bwplot with Date object

2008-08-01 Thread GOUACHE David
I ended up finding one solution to my 2nd question. Here it is : http://tolstoy.newcastle.edu.au/R/help/04/01/0649.html Sorry for the bother. David De: GOUACHE David Date: ven. 01/08/2008 15:50 À: Deepayan Sarkar Cc: [EMAIL PROTECTED] Objet : RE : [R

[R] passing arguments to subset from a function

2008-12-17 Thread GOUACHE David
Hello R-helpers, I'm writing a long function in which I manipulate a certain number of datasets. I want the arguments of said function to allow me to adapt the way I do this. Among other things, I want my function to have an argument which I will pass on to subset() somewhere inside my functio

[R] quantiles for dates

2008-05-14 Thread GOUACHE David
Hello all, I was wondering if there is a package in which someone would have created a quantile function that handles vectors of class "Date". In advance thanks. David Gouache ARVALIS - Institut du végétal Station de La Minière 78280 Guyancourt Tel: 01.30.12.96.22 / Port: 06.86.08.94.32 __

[R] regular expressions

2008-03-12 Thread GOUACHE David
Hello all, Still fighting with regular expressions and such, I am again stuck: Suppose I have a vector of character chains. In this vector, I wish to identify which character chains start with a given pattern, and then replace everything that comes after said pattern. Here is a quick exampl

[R] RE : Must be easy, but haven't found the function (numerical integration)

2007-09-18 Thread GOUACHE David
try : library(Bolsatd) ?sintegral or: library(caTools) ?trapz David Gouache Arvalis - Institut du Végétal Station de La Minière 78280 Guyancourt Tel: 01.30.12.96.22 / Port: 06.86.08.94.32 -Message d'origine- De : Ptit_Bleu [mailto:[EMAIL PROTECTED] Envoyé : lundi 17 septembre 2007 12

[R] splom pairs and groups argument

2007-10-02 Thread GOUACHE David
Hello, I'm trying to pull off a certain graph using splom, and can't quite get my panel functions right. Basically, the equivalent using pairs would be something like this (using iris data set as an example): panel.corval <- function(x, y, digits=2, prefix="", cex.cor,col,pch) { u

[R] RE : Help about exception handling in r-project.

2007-11-05 Thread GOUACHE David
?try ?tryCatch worked for me David Gouache Arvalis - Institut du Végétal Station de La Minière 78280 Guyancourt Tel: 01.30.12.96.22 / Port: 06.86.08.94.32 -Message d'origine- De : ANUSHA AIYALU KANNAN [mailto:[EMAIL PROTECTED] Envoyé : dimanche 4 novembre 2007 04:50 À : [EMAIL PROTECTE

[R] multiple regressions on columns

2009-02-24 Thread GOUACHE David
R-helpers, A quick question regarding my wanting to run multiple regressions without writing a loop. Looking at a previous discussion : http://tolstoy.newcastle.edu.au/R/e2/help/07/02/9740.html my objective is to do the "opposite", i.e. instead of having the same independent variable and testi

[R] RE : multiple regressions on columns

2009-02-25 Thread GOUACHE David
s one dependent variable. Best regards, David Gouache ARVALIS - Institut du végétal Station de La Minière 78280 Guyancourt Tel: 01.30.12.96.22 / Port: 06.86.08.94.32 -Message d'origine- De : Greg Snow [mailto:greg.s...@imail.org] Envoyé : mardi 24 février 2009 18:22 À : GOUACHE

[R] RE : RE : multiple regressions on columns

2009-02-25 Thread GOUACHE David
recheza.cz] Envoyé : mercredi 25 février 2009 10:09 À : GOUACHE David Cc : r-h...@stat.math.ethz.ch Objet : Odp: [R] RE : multiple regressions on columns Hi If you do not insist on matrix and use data frame instead lapply(iris4,function(x) lm(iris$Sepal.Length~x)) can do it Regards Petr r-help

[R] read multiplan or sylk files in R

2009-02-25 Thread GOUACHE David
Hello, This may sound crazy, but I have a large number of Multiplan data files I'm in the process of recuperating, and I'm hoping to avoid having to open them one by one to convert them into a modern, directly usable format. So I was wondering if someone somewhere had encountered this and maybe

[R] lattice histogram for multiple variables : adjusting x axis

2009-05-12 Thread GOUACHE David
Hello all, I have a large data frame and I want to look at the distribution of each variable very quickly by plotting an individual histogram for each variable. I'd like to do so using lattice. Here is a small example using the iris data set: histogram(as.formula(paste("~",paste(colnames(iris[,