search for: lemmen

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2003 May 28
1
Numbers that look equal, should be equal, but if() doesn't see as equal (repost with code included)
...- c(subject.bin.means, bin.means); } detach(data); if ( !length(subject.bin.means) == bins*length(l) ) { stop("Inappropriate number of means calculated."); } else { subject.bin.means } } ---------- Forwarded Message ---------- Date: dinsdag 27 mei 2003 14:53 +0200 From: Paul Lemmens <P.Lemmens at nici.kun.nl> To: r-help at stat.math.ethz.ch Subject: [R] Numbers that look equal, should be equal, but if() doesn't see as equal Hi! After a lot of testing and debugging I'm falling silent in figuring out what goes wrong in the following. I'm implementing the V...
2004 Feb 24
1
Accessing columns in data.frame using formula
...ata) # But now, I would like to do here what I'd do on the console as # wery$ok <- factor(wery$ok), so here data$facts[2] <- factor(data$facts[2]) # This won't work here. How do I continu? # Or perhaps also # data.tmp <- data$resp[data$facts[1] == 'i'] } thank you, Paul Lemmens P.S: str(wery) `data.frame': 150 obs. of 11 variables: $ V1 : int 1 1 1 1 1 1 1 1 1 1 ... $ V2 : int 1 2 3 4 5 6 7 8 9 10 ... $ V3 : int 960 1060 980 1060 1020 1010 1060 1010 1090 1090 ... $ V4 : int 520 450 470 440 440 530 580 530 560 540 ... $ V5 : int 1483 3753 5758...
2008 Mar 27
1
Dynamic string as element name in a list
...oesn't work like this, but having tried all kinds of combinations of eval(), parse(), substitute(), and friends I was unable to get the contents of clipname as the element name of the list that I return in f(). Is this possible to do so at all and if so, what am I missing? Kind regards, Paul Lemmens
2003 Oct 15
1
is.na(v)<-b (was: Re: Beginner's query - segmentation fault)
...ualified to say that, be warned]. Interestingly, at some point both methods for `is.na<-` perform this operation: x[value] <- NA. Ahem. By the way, `is.na(x) <- FALSE` will leave x unchanged (including leaving it as NA ! how bad is that ?!) > -----Original Message----- > From: Paul Lemmens [mailto:P.Lemmens at nici.kun.nl] > Sent: 14 October 2003 16:10 > To: r-help at stat.math.ethz.ch > Subject: RE: is.na(v)<-b (was: Re: [R] Beginner's query - segmentation > fault) > > > Security Warning: > If you are not sure an attachment is safe to open please co...
2003 Oct 16
1
Cbind warning message
...q)) r <- length %% parts if ( r > 0 ) { p[r+1:length(p)] <- NA z <- cbind(z,p) } z <- na.omit(as.vector(t(z))) } and then sections(32,5) -> a As I see it, rows in result are 5 and the vector length of p (which is 5) is a multiple of 5. kind regards, Paul -- Paul Lemmens NICI, University of Nijmegen ASCII Ribbon Campaign /"\ Montessorilaan 3 (B.01.03) Against HTML Mail \ / NL-6525 HR Nijmegen X The Netherlands / \ Phonenumber +31-24-...
2004 Jun 16
1
subset(..., drop=TRUE) doesn't seem to work.
...c==1, drop=TRUE) table(dd$c) 1 2 5 0 So to lose the second level of dd$c, in method B I still need to 'dd$c <- dd$c[, drop=TRUE]', while the manual seems to imply that with the drop argument to subset() this would not be necessary. Could you comment? kind regards, Paul -- Paul Lemmens NICI, University of Nijmegen ASCII Ribbon Campaign /"\ Montessorilaan 3 (B.01.05) Against HTML Mail \ / NL-6525 HR Nijmegen X The Netherlands / \ Phonenumber +31-24-...
2007 Jul 04
2
Adding data to existing plot with new=TRUE does not appear to work
...en I insert a op <- par(new=TRUE) either before or immediately after the first plot statement (the type='n' one) in the above code fragment, the resulting graph still only shows one column of data. Have I misinterpreted the instructions or the functionality of new=TRUE? Thank you, Paul Lemmens
2004 Aug 26
1
library(car) Anova() and Error-term in aov()
...ays "Calculates type-II or type-III analysis-of-variance tables for model objects produced by 'lm' and 'glm'", so it's not suitable for the aovlist that aov() with Error()-term returns. How can I compute Type III SS for such objects? kind regards, Paul -- Paul Lemmens NICI, University of Nijmegen ASCII Ribbon Campaign /"\ Montessorilaan 3 (B.01.05) Against HTML Mail \ / NL-6525 HR Nijmegen X The Netherlands / \ Phonenumber +31-24-...
2010 Jan 18
3
add spline to longitudinal data - preferably similar to SAS's 'I=SM50S' routine
Hi Ruser I'm trying to replicate some SAS code. I have to add a spline to my longitudinal spaghetti plot. I have the plot, but I can't add the spline, a overall trend line. In the SAS code they use the command 'I=SM50S' and I would prefer something similar. I?m using R 2.10.1 on windows XP? I have made this working example. tolerance.pp <-
2002 May 15
3
graphics question
..., so this should range from 350 - 450. On the x-axis I want two ticks for each level (sc and oc) of the 'cat' factor. In the plot, three lines should be displayed, for each level of the factor 'loc', pref. including a legend. How do I do this??? Please send a CC to my address (p.lemmens at nici.kun.nl), as I'm not yet subscribed to the list. thank you for your help! Paul -- -.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.- r-help mailing list -- Read http://www.ci.tuwien.ac.at/~hornik/R/R-FAQ.html Send "info", "help", o...
2003 May 27
2
Numbers that look equal, should be equal, but if() doesn't see as equal
...even with options(digits=20), but *still* the test fails. IMHO it's not my code and neither the distribution I use to test, but still, can you point out an obvious failure of my programming or is it indeed something of R that I don't yet grasp? thank you for your help, Paul -- Paul Lemmens NICI, University of Nijmegen ASCII Ribbon Campaign /"\ Montessorilaan 3 (B.01.03) Against HTML Mail \ / NL-6525 HR Nijmegen X The Netherlands / \ Phonenumber +31-24-...
2011 Jul 27
1
dovecot and tcpwrappers
...an I have the same amount of protection as I previously had with dovecot 1.x over inetd ? BTW: I tried to post on the mailinglist but it seems I can't access them it the moment, altough I did subscribe and login. Is there anything wrong ? Thanks for your reply ! -- With best regards, Kees Lemmens. ----------------------------------------------------------------------- Delft Institute of Applied Mathematics (DIAM), Faculty Electrical Engineering, Mathematics and Computer Science, Delft University of Technology, Delft, The Netherlands,
2008 Aug 31
4
give all combinations
Hello,   is there a simple way to give all combinations for a given vector:   v<-c("a","b","c")   combination(v,v) becomes "aa","ab","ac","bb","bc","cc'   combination(v,v,v) becomes "aaa","aab","aac","abb",......     [[alternative HTML version deleted]]
2003 May 19
4
modulus operator?
Is there a modulus operator in R? Anna
2003 Oct 09
1
is.na(v)<-b (was: Re: Beginner's query - segmentation fault)
> -----Original Message----- > From: Richard A. O'Keefe [mailto:ok at cs.otago.ac.nz] <snip> > The very existence of an "is.na<-" which accepts a logical > vector containing FALSE as well as TRUE ... And don't forget this is not the only usage of is.na<-. In fact it is designed to take any valid indexing value. For example: > a<-1:10 >
2004 Jun 10
1
Informal discussion group about R
I've started a "tribe" for discussing R and sharing scripts. Tribe.net is one of the popular on-line social communities, like "Friendster". Visit and see if it is a forum that you find useful. To join the "tribe" you will need to register with Tribe.net. I hope it will be of help to newbies, although I'm new to R myself. Here is the url:
2004 Jun 16
2
subset and lme
I'm puzzled by the following problem, which appears when attempting to run an analysis on part of a dataset: If I try: csubset <- dat$Diagnosis==0 cont <- lme(fixed=cform, random = ~1|StudyName, data=dat,subset=csubset,na.action=na.omit) Then I get: Error in eval(expr, envir, enclos) : Object "csubset" not found But if I do
2009 Nov 27
0
Comparing membership of clusters
...(a, a, b, b, c, c, a, b, c), or even c(3, 3, 1, 1, 2, 2, 3, 1, 2). So the fact that participant (index) 1, 2, and 8 belong to each other is key. I am most puzzled about how to do the matching / find the similarity between each column and gold standard. Thank you for your time! best regards, Paul Lemmens
2010 Jul 14
1
Sample size ANCOVA
Hallo! Does anyone know a possibility to perform a sample size estimation for an ANCOVA? Would be great! Thanks Karl
2003 Oct 15
2
Subseting in a 3D array
Hi! I have a 3d array: > dim(ib5km15.dbc) [1] 190 241 19 and a set of positions to extract: > ib5km.lincol.random[1:3,] [,1] [,2] [1,] 78 70 [2,] 29 213 [3,] 180 22 Geting the values of a 2D array for that set of positions would be: > ima <- ib5km15.dbc[,,1] > ima[ib5km.lincol.random[1:10,]] but don't find the way for the case of the 3D array: >