search for: biozentrum

Displaying 20 results from an estimated 181 matches for "biozentrum".

2009 Apr 20
4
graph with 15 combinations
...h a possible solution in R? Thanks in advance! Johannes -- Project Coordinator BIOTA West Amphibians Museum of Natural History Dep. of Research (Herpetology) Invalidenstrasse 43 D-10115 Berlin Tel: +49 (0)30 2093 8708 Fax: +49 (0)30 2093 8565 http://www.biota-africa.org http://community-ecology.biozentrum.uni-wuerzburg.de
2010 May 19
3
save in for loop
...only one element of an object either). I'm not sure I'm really clear because it's difficult for me to explain it, but I hope you'll understand (and let me know what you would help you to understand) Thank you in advance Ivan -- Ivan CALANDRA PhD Student University of Hamburg Biozentrum Grindel und Zoologisches Museum Abt. S?ugetiere Martin-Luther-King-Platz 3 D-20146 Hamburg, GERMANY +49(0)40 42838 6231 ivan.calandra at uni-hamburg.de ********** http://www.for771.uni-bonn.de http://webapp5.rrz.uni-hamburg.de/mammals/eng/mitarbeiter.php
2003 Apr 03
1
ts function
...ary, is another library necessary or did this function change since 2001? Is there a more recent and detailed manual for ts? thanks, cheers Martin -- Martin Wegmann Department of Animal Ecology and Tropical Biology Zoology III, Biocenter Am Hubland 97074 W?rzburg Germany 0931/888-4378 wegmann at biozentrum.uni-wuerzburg.de m.wegmann at web.de
2003 Apr 21
2
name of arrays
...... 2, , .. ... I tried several names but nothing wants to work, I only get the message: name not recognized. any idea? thanks Martin -- Martin Wegmann Department of Animal Ecology and Tropical Biology Zoology III, Biocenter Am Hubland 97074 W?rzburg Germany 0931/888-4378 wegmann at biozentrum.uni-wuerzburg.de m.wegmann at web.de
2011 May 04
1
Str info. Thanks for helping
...are just repeats of this one only with IPS2, IPS3,... > > The command: > >> SA1<-as.vector(SA$"Reponse IPS1") > > Returns > >> NULL > > As do several variations I have tried. Any ideas. -- Ivan CALANDRA PhD Student University of Hamburg Biozentrum Grindel und Zoologisches Institut und Museum Abt. S?ugetiere Martin-Luther-King-Platz 3 D-20146 Hamburg, GERMANY +49(0)40 42838 6231 ivan.calandra at uni-hamburg.de ********** http://www.for771.uni-bonn.de http://webapp5.rrz.uni-hamburg.de/mammals/eng/1525_8_1.php
2010 Mar 11
3
Help function "?" in R 2.10.1
Hello everyone, I have versions 2.7.2 and 2.10.1 installed on a machine that has no access to internet. In 2.7.2 I can use ? to get help on functions, which in 2.10.1 that does not work, all I see is "starting httpd help server...done" and then nothing. Have I downloaded 2.10.1 incorrectly (=forgot to tick some box for local help file repository) or is the internet help now the
2009 Jun 11
3
ctc package
...e? Thanks a lot in advance. With kind regards Johannes -- Project Coordinator BIOTA West Amphibians Museum of Natural History Dep. of Research (Herpetology) Invalidenstrasse 43 D-10115 Berlin Tel: +49 (0)30 2093 8708 Fax: +49 (0)30 2093 8565 http://www.biota-africa.org http://community-ecology.biozentrum.uni-wuerzburg.de
2011 Aug 15
3
how can I read a xlsx file
Hello, How can I read a xlsx file using xlsx package? Thanks Albert [[alternative HTML version deleted]]
2010 May 20
1
use object within rda file in for loop
...ut the keywords, haven't found anything helpful. Maybe I'm just on the wrong path to do it or missed something obvious... I hope my question is clear. If not, please let me know what would help you to understand. Thanks in advance Ivan -- Ivan CALANDRA PhD Student University of Hamburg Biozentrum Grindel und Zoologisches Museum Abt. S?ugetiere Martin-Luther-King-Platz 3 D-20146 Hamburg, GERMANY +49(0)40 42838 6231 ivan.calandra at uni-hamburg.de ********** http://www.for771.uni-bonn.de http://webapp5.rrz.uni-hamburg.de/mammals/eng/mitarbeiter.php
2010 Mar 31
1
position of mismatches in all.equal()?
...ust know from the output in which column(s) are the mismatches and how many (here 1). But my datasets are 2000+ rows, and I would like to know the row number(s) where mismatches occur. How can I do that? Thank you for your help! Regards, Ivan -- Ivan CALANDRA PhD Student University of Hamburg Biozentrum Grindel und Zoologisches Museum Abt. S?ugetiere Martin-Luther-King-Platz 3 D-20146 Hamburg, GERMANY +49(0)40 42838 6231 ivan.calandra at uni-hamburg.de ********** http://www.for771.uni-bonn.de http://webapp5.rrz.uni-hamburg.de/mammals/eng/mitarbeiter.php
2011 Apr 20
2
user input
...- readline(prompt="select number ") select number 0.2 ## in the console, not really visible b [1] "0.2" I would like both "free" input and a pop-up window. Is there a function for this? Thanks in advance, Ivan -- Ivan CALANDRA PhD Student University of Hamburg Biozentrum Grindel und Zoologisches Museum Abt. S?ugetiere Martin-Luther-King-Platz 3 D-20146 Hamburg, GERMANY +49(0)40 42838 6231 ivan.calandra at uni-hamburg.de ********** http://www.for771.uni-bonn.de http://webapp5.rrz.uni-hamburg.de/mammals/eng/1525_8_1.php
2010 May 18
3
"Re: Change class factor to numeric"
sorry I had a mistake sending my question without a subject. I do resend again. Please excuse me. > Hello > I have a data array with soil variables (caperf), in which the variable "clay" is factor (as I see entering str(caperf)) . I need to do a regression model, so I need to have arcilla (=clay) as a numeric variable. For that I have entered > >
2010 Dec 13
7
descriptive statistics
Hi. In a data set I have a variable that takes values from 1 to 14. For each subgroup of values of this variable, I would like to obtain some descriptive statistics of other variables present in the data set. I've been trying with a "for" loop but I couldn't get nothing. Could you please suggest me some lines? -- View this message in context:
2010 May 20
2
Overlap of leaf labels
Hi, I have tried looking at the archives but havent found any answer that works till now (Sorry if i have missed anything) I am a newbie to R and i am trying to carry out hierarchical clustering using hclust -> as.dendrogram and then plotting the results as a dendrogram using the plot function plot(object). My question is : In the function "plot", can one decrease the leaf label
2003 Apr 30
2
acf() with two df?
...nction with p values? otherwise I think that cor() could do the job but this one hasn't implemented the lag function. an idea? thanks Martin -- Martin Wegmann Department of Animal Ecology and Tropical Biology Zoology III, Biocenter Am Hubland 97074 W?rzburg Germany 0931/888-4378 wegmann at biozentrum.uni-wuerzburg.de m.wegmann at web.de
2010 May 20
6
writing function
Dear group, I am trying to write functions, but as a beginner, everything is not so obvious. Let's say I want the results in a list of elemts like this : tot1, tot2, etc Here is a function: toto <- function(x,y) { for(i in x:y){ paste(c("tot",i),collapse="")<-(i*2) } } If I type this : >toto(1,5) I get this message error: Error in paste(c("tot",
2010 Nov 01
2
number of items to replace is not a multiple of replacement length
Hey all, I am writing a function in which I will have a matrix of 4 columns and a variable amount of rows. The first to columns will always contain be of the Character type, the third and fourth columns can be a variation of data types, usually characters and integers, but sometimes lists or matrices. At one point the code makes, for each row, a copy of that row, then it makes some adjustments
2011 Feb 28
0
Fwd: Re: speed up process
...ts_inter,"+",tsts_slope,"X",sep="")), lty=1, col=mycol) >>>>>> } >>>>>> >>>>> -- >>>>> Ivan CALANDRA >>>>> PhD Student >>>>> University of Hamburg >>>>> Biozentrum Grindel und Zoologisches Museum >>>>> Abt. S?ugetiere >>>>> Martin-Luther-King-Platz 3 >>>>> D-20146 Hamburg, GERMANY >>>>> +49(0)40 42838 6231 >>>>> ivan.calandra at uni-hamburg.de >>>>> >>>>...
2011 Aug 30
1
R crash
..., pch=1, xlab=names(select)[ind.xvar], ylab=names(select)[k], las=1) points(select_mean[[ind.xvar-diff_len]], select_mean[[k-diff_len]], pch=18, cex=2) two_reg(dat=select, xvar=ind.xvar, yvar=k) } dev.off() ------------------------- -- Ivan CALANDRA PhD Student University of Hamburg Biozentrum Grindel und Zoologisches Museum Dept. Mammalogy Martin-Luther-King-Platz 3 D-20146 Hamburg, GERMANY +49(0)40 42838 6231 ivan.calandra at uni-hamburg.de ********** http://www.for771.uni-bonn.de http://webapp5.rrz.uni-hamburg.de/mammals/eng/1525_8_1.php
2010 Aug 17
2
dims error
Greetings, I am a very novice user with R, and in the course of running a linking procedure : P.old<- function (a, c, b, xi){ #a contains a parameters #c contains c parameters #b contains b parameters #xi is a one column vector containing quadrature points for xi(=theta-gamma)for one item tmp <- a*(xi-b)