search for: bier

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2003 Oct 16
4
summary with names
...oment it's the easiest way for me): for(i in fb.12.unt[varA1:varZ9]){print (summary(i, na.rm=t))} It works fine, but I don't know which summary corresponds to which variable, because the variable names are not printed. Can somebody give me a hint? TIA Regards, Christoph -- Christoph Bier, Dipl.Oecotroph., Email: bier at wiz.uni-kassel.de Universitaet Kassel, FG Oekologische Lebensmittelqualitaet und Ernaehrungskultur \\ Postfach 12 52 \\ 37202 Witzenhausen Tel.: +49 (0) 55 42 / 98 -17 21, Fax: -17 13
2005 May 11
3
problem with the pro/1000 driver for intel gigabit ethernet card
...7:19:44.178679 exit_group(0) = ? observe the more than 500 seconds it takes for the second ioctl to complete !! I have found out that any input on the console keyboard or network interface immediately causes the system call to return. Is there a problem with interrupt delivery ? Peter Bier _______________________________________________ Xen-devel mailing list Xen-devel@lists.xensource.com http://lists.xensource.com/xen-devel
2003 Oct 12
7
Integration between R & latex
As an R absolute beginner and an expert (very old) statistician and latex user, I'm interested in using R to produce AUTOMAGICALLY tables in latex format. I mean I would like to have the means to build an R procedure generating **FROM INSIDE** a table or a graph to be inserted directly into latex. I've read http://hesweb1.med.virginia.edu/biostat/s/doc/summary.pdf where the author speaks
2003 Oct 21
2
Graphics overview
...#39;m still waiting for "Introductory Statistics with R" (P. Dalgaard), that is not deliverable at the moment. TIA Regards, Christoph _______________________ ? Data is a data.frame with A and B being the sums of the characteristic values (not numeric) of one variable. -- Christoph Bier, Dipl.Oecotroph., Email: bier at wiz.uni-kassel.de Universitaet Kassel, FG Oekologische Lebensmittelqualitaet und Ernaehrungskultur \\ Postfach 12 52 \\ 37202 Witzenhausen Tel.: +49 (0) 55 42 / 98 -17 21, Fax: -17 13
2003 Nov 07
2
chisq.test error: x and y must have at least 2 levels
...s<-names(v007.s) name71.s<-names(v007.1.s) bln<-length(name7.s) for (i in 1:bln) { v1<-name7.s[i] v11<-name71.s[i] print(paste("v1=",v1,"v11=",v11)) d1<-fb.12.hint[[v1]] d2<-fb.12.hint[[v11]] res<-chisq.test(d1,d2) print(res) } -- Christoph Bier, Dipl.Oecotroph., Email: bier at wiz.uni-kassel.de Universitaet Kassel, FG Oekologische Lebensmittelqualitaet und Ernaehrungskultur \\ Postfach 12 52 \\ 37202 Witzenhausen Tel.: +49 (0) 55 42 / 98 -17 21, Fax: -17 13
2005 Nov 29
3
floor()
Dear All, Is this right? > floor((5.05-floor(5))*100) [1] 4 I would expect 5, or am I wrong? Thanks and regards, W --------------------------------- [[alternative HTML version deleted]]
2005 Jun 13
3
Perl installation under SuSe
Hi R-Help, I have just downloaded RSPerl_0.7-0.tar.gz under SuSe. If I type owner@linux: ~work> R CMD INSTALL -c RSPerl_0.7-0.tar.gz i get the following error message makedir: cannot create directory '/user/lib/R/library/00LOCK' : Permission denied ERROR: failed to lock directory '/usr/lib/R/library' for modifing I would really appreciate if somebody can help me
2003 Oct 30
7
Weird problem with median on a factor
Hi all, I hope this isn't a naive newbie question again. Here you can see column 264 of a data frame containing data of the same interview in May and September. Column 264 contains the answers of 49 persons to a question in May. > fbhint.spss1[,264] [1] teils/teils sehr wichtig <NA> <NA> sehr wichtig [6] sehr wichtig sehr wichtig sehr wichtig <NA>
2005 Jun 12
3
Essay identification
Hi R-help, I have a database of 10 students who have written an overall of 78 essays. The challenge? I would like to identify who wrote the 79th essay. Has anybody used R in this context? Even if not, would you suggest me which pattern recognition technique I might possibly apply? Thanks a lot and regards, Tom --------------------------------- [[alternative HTML version
2004 Apr 29
1
Asttapi in Terminalserver/Muliuser Setup ?
...hr braucht wird irgendwann zum Brauchtum . Christoph Adomeit Gerichhausen Adomeit & Terstappen GmbH ado@niederrhein.de Internetloesungen vom Feinsten Fon. +49 2166 9149-32 Fax. +49 2166 9149-10 Privat: ado@uerige.de - Trink mal wieder ein gutes Bier -
2005 Oct 21
1
problems with tools/pygrub/setup.py and xen/xm/main.py
...ution. My python version is 2.2 in xen/xm/main.py I got a problem with the line : warnings.filterwarnings(''ignore'', category=FutureWarning ); python complained about FutureWarning being an undefined name. Commenting this out resulted in code that seems to work properly. Peter Bier _______________________________________________ Xen-devel mailing list Xen-devel@lists.xensource.com http://lists.xensource.com/xen-devel
2003 Oct 16
0
AW: summary with names
...tions is performance and with 250 loops this reason does not count. Ok. I thought, it wasn't "elegant", too =). [...] Thanks for your answer, that was first confusing and then therefore clarifying. I hope /my/ answer isn't too confusing. Best regards, Christoph -- Christoph Bier, Dipl.Oecotroph., Email: bier at wiz.uni-kassel.de Universitaet Kassel, FG Oekologische Lebensmittelqualitaet und Ernaehrungskultur \\ Postfach 12 52 \\ 37202 Witzenhausen Tel.: +49 (0) 55 42 / 98 -17 21, Fax: -17 13
2005 Apr 26
2
"wild" function example in optim
Dear all, Firstly, I do apologize if my question is simple and posted in the wrong place but I had no reply from the R-help mailing list (maybe it is too simple!). I was wondering why parscale is set to 20 in the "wild" function example used in ?optim. This function has only one parameter and if we set parscale equal to 1 then the solution near the global minimum is not found. I
2006 Jun 21
5
command to echo size of images
All, Is there a command line program in centos to echo back the size of an image (gif,jpg,png)? I did see that file image.jpg sometimes works but reports the wrong image size. I see xview image.jpg reports the correct size but I dont want to see the image just get its size. Thanks for any suggestions. Jerry -------------- next part -------------- An HTML attachment was scrubbed... URL:
2005 Apr 19
1
Optim(...parscale...)
Hi there, The optim(par, fn, ...parscale...) function in R requires 'parscale' which is defined as: "A vector of scaling values for the parameters. Optimisation is performed on 'par/parscale' and these should be comparable in the sense that a unit change in any element (??) produces a unit change in the scaled value". I am just not understanding the
2005 Apr 23
1
optim() non-finite finite-difference value
Dear all, I am using the optim() function which it stops with the following error messagge: error in optim(...) non-finite finite-difference value I was wondering if somebody might suggest me a way to fix it please. Thanks in advance to all of you. Kind regards, Tom __________________________________________________ [[alternative HTML version deleted]]
2005 Oct 15
1
solve() versus ginv()
Dear All, While inverting a matrix the following error appears on my console: Error in solve.default(my_matrix) : Lapack routine dgesv: system is exactly singular With this respect, I have been replacing the solve() function with ginv(): the Moore-Penrose generalized inverse of a matrix. These are the questions I would like to ask you: 1. Would you also replace solve() with ginv() in
2005 Jun 25
1
Cross-validation
Dear R-help, I was wondering if somebody has a strong opinion on the following matter: Would you see appropriate to apply the leave-one-out cross validation techinque in time series modelling? Thanks in advance, Tom __________________________________________________ [[alternative HTML version deleted]]
2010 Sep 16
2
FTP Download
Hi, I have problems downloading complete folders via ftp with R. Single files work fine. I tried Rcurl, but it does not work. This is my code: url = "ftp://disc2.nascom.nasa.gov/data/TRMM/Gridded/Derived_Products/3B42_V6/Daily/2009/" filenames = getURL(url, ftp.use.epsv = FALSE, ftplistonly = TRUE, crlf = TRUE) filenames = paste(url, strsplit(filenames, "\r*\n")[[1]], sep =
2008 Feb 27
1
1.1rc1 "Transaction rolled back"?
...arite.de) snickebo at charite.de Postfix - Einrichtung, Betrieb und Wartung Tel. +49 (0)30-450 570-155 http://www.arschkrebs.de H?tte ich 10 Euro f?r jeden Analysten, der in 'Computerfragen' schon falsch lag - ich h?tte inzwischen meine Trauminsel mit halbnackten Frauen, viel Bier und ordentlich Mampfmampf.