[R] lrm-function: Interpretation and error message

I have a set of data that is not normally distributed and for which I need to build a model. So, I tried the lrm function from the design-package. The first run went well, and I got the following results: Wald Statistics Response: RVCL2PROC.mott Factor

[R] Structure of SEM

Hello, how does exactly the function looks like that estimates the parameters in SEM? What methods are used? Thank you, Luba [[alternative HTML version deleted]] __ R-help@r-project.org mailing list

[R] Importing time series

I have a time series dataset, saved in a csv file. However date-formatting is : 7/2/1982 7/6/1982 7/7/1982 7/8/1982 7/13/1982 7/14/1982 However if I use following zoo-code, it is not reading data: read.zoo(file=F:/data.csv, format=%m/%d/%y, header=F) Error is Error in read.zoo(file

Re: [R] dumping data objects

WQM == William Q Meeker wqmee...@iastate.edu on Tue, 28 Jul 2009 14:58:26 -0500 writes: WQM While .deparseOpts(control=S_compatible) dump(foo) WQM did not work as I had expected, WQM dump(foo,control=S_compatible) WQM did work OK. yes, of course (at least in

Re: [R] quetions about dimensions

interting , when I modified bj2=bjerrdata$tyerr[bjyearnum[2]:bjyearnum[3]] the length of bj2 is correct . It seems that can not put a fomula in the dimension description . 2009/7/29 Jie TANG totang...@gmail.com hi ,everyone, I have a script shown as below:

Re: [R] partially sorting?

x - + matrix(c(1239,10,10,10,10,1234,10,10,10,10,1500,11,11,11,11,1001,11,11,11,11, + + 1009,11,11,11,11,1344,12,12,12,12,1349,12,12,12,12,1458,13,13,13,13),8,5,byrow + = T) x[order(x[,1]),] [,1] [,2] [,3] [,4] [,5] [1,] 1001 11 11 11 11 [2,] 1009 11 11 11 11

Re: [R] Summarising Data for Forrest Plots

Are n.FD and n.RD the number of people who received the full/reduced dose and surv.FD and surv.RD the number of people that survived? And are the people who received the full dose different from the people who received the reduced dose? And what exactly is it that you want to plot in the forest

Re: [R] Importing time series

On Wed, 29 Jul 2009, Bogaso wrote: I have a time series dataset, saved in a csv file. However date-formatting is : 7/2/1982 7/6/1982 7/7/1982 7/8/1982 7/13/1982 7/14/1982 However if I use following zoo-code, it is not reading data: read.zoo(file=F:/data.csv, format=%m/%d/%y, header=F)

Re: [R] Importing time series

The format for the year should be %Y, not %y; however, without a reproducible example (see last line to every message on R help) we can't be sure that that is the whole story. On Wed, Jul 29, 2009 at 3:00 AM, Bogasobogaso.christo...@gmail.com wrote: I have a time series dataset, saved in a csv

Re: [R] Installing lme4 package in Windows Vista

Dear Angela, lme() is a part of the nlme package. The lme4 package has the function lmer() which is the equivalent of lme() from nlme. Both function differ in their capabilities. Briefly: lmer() can (easly) do crossed random effects and GLMM, lme() can handle variance and correlation structures.

Re: [R] Importing time series

Thanks for reply. However still problem is there. Here I am giving some parts of the data : ss - 7/2/1982312.7212.0618.397471390.4 + 7/6/1982311208.4518.227521392.2 + 7/7/1982306.7206.4118.327381385 + 7/8/1982313.5207.1918.567221392.6 + 7/13/1982352.5205.7918.857301485.7 +

[R] Adding picture to graph?

Hi while teaching R, the question came up if it would be possible to add a picture (saved on the HDD) to a graph (generated by plot()), which we could not answer. It might easily kill a clean graph, but: is there a way of doing this, even one should not do it? On a similar line of thought:

[R] Newbie in R: Reading .txt files and storing the 'numbers' in a vector

Hello everybody, I'm a newbie in R and just went through an introduction class recently. Here's my problem. I have 2 text files (.txt) with plain numbers ('doubles' for those who know c++) ordered into 2 columns as below: coordinate1 value1 coordinate2 value2

Re: [R] Newbie in R: Reading .txt files and storing the 'numbers' in avector

Have a look at ?read.table HTH, Thierry ir. Thierry Onkelinx Instituut voor natuur- en bosonderzoek / Research Institute for Nature and Forest Cel biometrie, methodologie en kwaliteitszorg / Section biometrics,

Re: [R] Importing time series

There are no delimiters between your fields! read.table and friends require such delimiters. As the input is ambiguous we have assumed the field widths shown in the read.fwf statement and you can modify it appropriately to use the correct field widths. Also, evidently your data has errors in

Re: [R] Adding picture to graph?

See: http://wiki.r-project.org/rwiki/doku.php?id=tips:graphics-misc:translucency On Wed, Jul 29, 2009 at 4:27 AM, Rainer M Krugr.m.k...@gmail.com wrote: Hi while teaching R, the question came up if it would be possible to add a picture (saved on the HDD) to a graph (generated by plot()),

Re: [R] quetions about dimensions

Try this: bj2=bjerrdata$tyerr[ (bjyearnum[2]+1):bjyearnum[3] ] I think it's more like what you meant to do. I believe what you wrote actually did: bjyearnum[2]+(1:bjyearnum[3]) So the problem was with arithmetic priorities, in my opinion (: having a higher priority than +). Check this:

Re: [R] A hiccup when using anova on gam() fits.

RT == Rolf Turner r.tur...@auckland.ac.nz on Wed, 29 Jul 2009 11:57:20 +1200 writes: RT I stumbled across a mild glitch when trying to compare the RT result of gam() fitting with the result of lm() fitting. RT The following code demonstrates the problem: RT library(gam)

[R] Showing time progression on (triangle) plots

Hi, I have made some nice triangle plots showing the projected airborne, landborne and oceanborne fraction of anthropogenic emitted carbon dioxide at 10 year intervals for the next century. Currently all ten points on my plot are identical so I can't distinguish between them. I would like

[R] R Packages and Permanent Datasets creation

Our Query: Actually while opening R console and R commander we see some packages like car and datasets. In these packages we have default datasets. For example: Women and Prestige so on. Now we created a Sales dataset importing either from excel, xml or text file. Now we are trying to store

Re: [R] SystemFit

Ferdogan wrote: Hi, I have two products which are substitudes. I try to fix a system as below to mydata. Demand1 = A1 -B1*Price1 + C1*Price2 Demand2 = A2 +B2*Price1 - C2*Price2 I would expect C1 B2 to be symmetric, If they are truly substitude. How can I enforce this symmetry

Re: [R] Adding picture to graph?

I had to do this recently, and I finally gave up trying to do it with R alone. Instead, I used the LaTeX overpic package. For the result, see Figure 1 in http://journal.sjdm.org/9417/jdm9417.pdf or (screenshot of it) in http://journal.sjdm.org/9417/jdm9417.html and the .tex file

Re: [R] How to do poisson distribution test like this?

On 29-Jul-09 03:28:24, glen_b wrote: Corrected links (the originals somehow aquired an extra space, sorry) Paper: http://www.plantphysiol.org/cgi/content/full/148/3/1189 Table I: http://www.plantphysiol.org/cgi/content/full/148/3/1189/TBL1 I think I've cracked it (using the informationm in

Re: [R] Adding picture to graph?

Hi Rainer, the question came up if it would be possible to add a picture (saved on the HDD) to a graph (generated by plot()), which we could not answer. Yes. Look at package pixmap and, especially, at the examples sub s.logo() in package ade4. Regards, Mark. Rainer M Krug-6 wrote: Hi

[R] Add a line in a Pairs2 and mark the axis length

Hi, I have finally installed TeachingDemos trough zip file and installed on lbrary. One new question: I want to draw a line (like abline) on diagonal or the result of running a ols. How can I do it. On the other hand, I want to mark the length on each sub plot y axis. It is possible? My

[R] Subtract matrices within arrays along indices

I have the following array: 3 dimensional object, one dimension being year. Object is 3*3*3 library(plyr, reshape) a1-rep(c(2007,2008,2009),9) a2-c(rep(a,9),rep(b,9),rep(c,9)) a3-c(rep(c(rep(1,3),rep(2,3),rep(3,3)),3)) a4 - rnorm(27) A-data.frame(cbind(comp=a2,val=a3, year=a1, a4)) A1-melt(A,

[R] Similar package like SEM

Hello, is there a similar package like SEM. In fact, I am looking for a package where I as input several given vector variables which are part of an autoregressive model. Then I would like to obtan parameters for so called latent variables. Thank you, Luba [[alternative HTML

Re: [R] How to do poisson distribution test like this?

Follow-up: On 29-Jul-09 03:28:24, glen_b wrote: Corrected links (the originals somehow aquired an extra space, sorry) Paper: http://www.plantphysiol.org/cgi/content/full/148/3/1189 Table I: http://www.plantphysiol.org/cgi/content/full/148/3/1189/TBL1 -- I have now scanned though the Paper,

Re: [R] Adding picture to graph?

several options are listed here: http://wiki.r-project.org/rwiki/doku.php?id=tips:graphics-misc:display-images baptiste Rainer M Krug schrieb: Hi while teaching R, the question came up if it would be possible to add a picture (saved on the HDD) to a graph (generated by plot()), which

Re: [R] lrm-function: Interpretation and error message

Martin Kellner wrote: I have a set of data that is not normally distributed and for which I need to build a model. So, I tried the lrm function from the design-package. The first run went well, and I got the following results: Wald Statistics Response: RVCL2PROC.mott Factor

[R] regexpr virtue

Hi all I have got something like that (actually those are column names) [51] X19.2.300b...80 X19.2.400v...80 X19.2.400b...80 X19.2.300v...90 X19.2.300b...90 [56] X19.2.400v...90 X19.2..400b..90 X19.2.300v...100 X19.2.300b...100 X19.2.400v...100 in

[R] (no subject)

HiI am contacting you regarding a problem with downloading R. I cannot seen to manage because my computer language is in Norwegian. DO you know if there is R that can deal with Norwegian letters? Øistein Harsem _ Show them the way!

[R] Transporting data in different R windows

Hi, I am working with multiple R-windows opened and would like to transport some variables from one to another. Is there any direct way to do this without saving them in hard-disk? Thanks -- View this message in context:

Re: [R] regexpr virtue

Here are a couple of possibilities: sub(.*\\., , s) library(gsubfn) strapply(s, [0-9]*$, simplify = c) On Wed, Jul 29, 2009 at 9:10 AM, Petr PIKALpetr.pi...@precheza.cz wrote: Hi all I have got something like that (actually those are column names) [51] X19.2.300b...80          

Re: [R] regexpr virtue

Thanks If somebody does not come with more elaborated solution I will adapt yours. After strsplit I can get not only 3 but several chunks. If the last chunk is every time the one I need then sapply(strsplit(names(foto),\\...), length) [1] 2 6 6 6 6 5 5 6 5 3 3 3 3 3 3 3 3 3 3 4 3 3 4 4 3 3 3

Re: [R] Subtract matrices within arrays along indices

Hi Christian, Christian Langkamp wrote: I have the following array: 3 dimensional object, one dimension being year. Object is 3*3*3 library(plyr, reshape) # reshape won't be loaded that way, use separate library() Christian Langkamp wrote: a1-rep(c(2007,2008,2009),9)

Re: [R] regexpr virtue

Thank you Gabor Grothendieck ggrothendi...@gmail.com napsal dne 29.07.2009 15:20:40: Here are a couple of possibilities: sub(.*\\., , s) This seems to be the target. Can you be so kind and translate for me what it really does? .* matches several dots? \\. what is this? I thought sub

[R] Drawing lines in margins

Hi all, Quick question: What function can I use to draw a line in the margin of a plot? segments() and lines() both stop at the margin. In case the answer depends on exactly what I'm trying to do, see below. I'm using R v. 2.8.1 on Windows XP. Cheers, Alan I'm trying to make a horizontal

Re: [R] Adding picture to graph?

I'm not sure if you can consider grid graphics. If so, then Murrell has some nice worked examples in: http://www.stat.auckland.ac.nz/~paul/Talks/gddg.pdf On Jul 29, 2009, at 4:27 AM, Rainer M Krug wrote: while teaching R, the question came up if it would be possible to add a picture (saved

Re: [R] R Packages and Permanent Datasets creation

On Tue, 2009-07-28 at 23:13 -0700, rajclinasia wrote: Our Query: Actually while opening R console and R commander we see some packages like car and datasets. In these packages we have default datasets. For example: Women and Prestige so on. Now we created a Sales dataset importing either

Re: [R] (no subject)

On Wed, Jul 29, 2009 at 03:12:02PM +0200, Øistein Harsem wrote: HiI am contacting you regarding a problem with downloading R. I cannot seen to manage because my computer language is in Norwegian. DO you know if there is R that can deal with Norwegian letters? I have never seen a download to

Re: [R] R Packages and Permanent Datasets creation

On Tue, Jul 28, 2009 at 11:13:11PM -0700, rajclinasia wrote: Actually while opening R console and R commander we see some packages like car and datasets. In these packages we have default datasets. For example: Women and Prestige so on. Now we created a Sales dataset importing either from

Re: [R] Drawing lines in margins

Look at the xpd option in ?par. If you set par(xpd=TRUE) you should be able to add a segment for what you want. But please let me know if someone gives you a better way to do this. -Original Message- From: r-help-boun...@r-project.org [mailto:r-help-boun...@r-project.org] On Behalf Of

[R] predict

I have found a regression model, and i would like to predict value in different points. I have tried to use predict function but it doesn't work. I have used predict function like this: newdata-seq(from=0.1, to=0.32,by=0.02) data-predict(fm,newdata) where fm is a regression model. The predict

Re: [R] Package norm has been removed. What to use for Maximum Likelihood Missing Data Imputation?

Hello, I also used the norm-package for data with missing values. Are there no possibilities to fix it (its not under GPL?), or is here anyone able to get the negotiation for the maintainership for this package? Another question: I have read, taht mice would be an alternative instead of using

Re: [R] predict

Newdata needs to be a dataframe with the same variable names as the explanatory variables in your models. Model - lm(y ~ x, data = dataset) Newdata - data.frame(x = seq(from=0.1, to=0.32,by=0.02)) Newdata$y - predict(Model, newdata = Newdata) HTH, Thierry

Re: [R] predict

You need to create the variable names in newdata (which is generally a dataframe) that match those used in constructing fm. Surely there must be a worked example that illustrates this on the help page? On Jul 29, 2009, at 9:30 AM, serbring wrote: I have found a regression model, and i

[R] visualizzazione colonne

ciao, ho aperto un file in R di classe data frame di 15000 righe e 29 colonne. Nella console però sono visualizzate solo la prima e l'ultima colonna e le ultime 8000 righe circa. E' possibile una visualizzazione completa? Grazie Sabrina [[alternative HTML version deleted]]

[R] Package with function for plots with embedded hyperlinks?

Some years ago, if I recall correctly, I learned of a package that included a function that would write a plot to a file so that one could associate hyperlinks with elements of the plot, such as points. Then, when the plot was displayed in a browser, one could click on (for example) a point,

[R] (senza oggetto)

Ciao, ho aperto con R un file di classe data frame con 15000 righe e 29 colonne. Nella console però sono visualizzate solo la prime e l'ultima colonna e le ultime 8000 righe circa. E' possibile una visualizzazione completa? Grazie Sabrina [[alternative HTML version deleted]]

[R] n-way table of aggregate statistics

Hi, I'm doing my first steps in R. I wonder how can I create an n-way table of aggregate statistics, something like what aggregate.table does, but with an unlimited number of grouping factors. Thanks, Yoav Kessler __ R-help@r-project.org mailing list

Re: [R] Package with function for plots with embedded hyperlinks?

Never mind, just after I sent this I finally did the right search. It is RSVGTipsDevice -Don At 8:30 AM -0700 7/29/09, Don MacQueen wrote: Some years ago, if I recall correctly, I learned of a package that included a function that would write a plot to a file so that one could associate

Re: [R] (senza oggetto)

Um Antwort von der R Mailinglite zu bekommen, verwenden Sie bitte eine aussagekräftige Betreff-Zeile und formulieren Sie Ihre Anfrage in *Englisch* - nachdem Sie den posting guide gelesen haben. MfG, Uwe Ligges sabrina.michie...@alice.it wrote: Ciao, ho aperto con R un file di classe data

Re: [R] Make my plots bigger and reduce white space around panels?

It still was not attached, but you can reduce the white space by reducing the margins using par(mar=c(...)). If you do par(mar=c(0,0,0,0)), then there will be no space between the plots, using values larger than 0 will give space. But beware, you need to either suppress the plotting of axis

Re: [R] regexpr virtue

dot means any character and * repeats it for as many times as possible so it replaces eveything (.*) up to the last dot (\\.) with nothing. On Wed, Jul 29, 2009 at 9:43 AM, Petr PIKALpetr.pi...@precheza.cz wrote: Thank you Gabor Grothendieck ggrothendi...@gmail.com napsal dne 29.07.2009

Re: [R] dot plot with several points for 2 categories

Hi Michael, Steve, and 1Rnwb, I'm very impressed by the quick replies on the mailer. Thanks a lot for your suggestions. They worked very well. In general, I have to say that I'm a bit disappointed that in R, like in Excel, one basically needs to hack to get a dot blot with categories by adding

Re: [R] Add a line in a Pairs2 and mark the axis length

I am not sure what you mean by mark the length on each sub plot y axis, but here is an example of the other parts (and if you know how to mark the length on a single regular plot, then just add that code to the panel function): pairs2( iris[,1], iris[,2:4], panel=function(x,y,...) {

[R] vector

Hi , i have a vector A=(a1,a2,a3,a4) and i want to create another vector B=(a1,a1,a2,a2,a3,a3,a4,a4) !!! i know that it is simple but i begin with R so i nned your help!! thank you for your help !!! [[alternative HTML version deleted]]

[R] visualizing columns

hi, i've opened a file with R which data are data.frame. It has 15000 rows and 29 columns. On the console i only can see the first and the last columns and the last 8000 rows. Is it possible to visualize the entire data set? Thanks Sabrina Da:

Re: [R] vector

rep(A, each=2) On Thu, Jul 30, 2009 at 12:15 AM, Inchallah Yarabinchallahya...@yahoo.fr wrote: Hi , i have a vector A=(a1,a2,a3,a4) and i want to create another vector B=(a1,a1,a2,a2,a3,a3,a4,a4) !!! i know that it is simple but i begin with R so i nned your help!! thank you for your help

Re: [R] Adding picture to graph?

In addition to the other responses, you may want to look at the subplot function in the TeachingDemos package for a way to place the image at a location within the plot (the other answers so far use the image as a full background), see the last example on the help page for a way to use the R

Re: [R] Drawing lines in margins

In addition to Benjamin's response (which is the best way that I know of), you may also want to look at the grconvertX and grconvertY functions for ways to find the coordinates in the margins to plot at. -- Gregory (Greg) L. Snow Ph.D. Statistical Data Center Intermountain Healthcare

Re: [R] dot plot with several points for 2 categories

Hi, On Jul 29, 2009, at 12:11 PM, jaregi wrote: Hi Michael, Steve, and 1Rnwb, I'm very impressed by the quick replies on the mailer. Thanks a lot for your suggestions. They worked very well. In general, I have to say that I'm a bit disappointed that in R, like in Excel, one basically

Re: [R] visualizing columns

Try the View function (note capitol V), does that do what you want? -- Gregory (Greg) L. Snow Ph.D. Statistical Data Center Intermountain Healthcare greg.s...@imail.org 801.408.8111 -Original Message- From: r-help-boun...@r-project.org [mailto:r-help-boun...@r- project.org] On

Re: [R] Summarising Data for Forrest Plots

Are n.FD and n.RD the number of people who received the full/reduced dose Yes - but I don't have the data structured like that YET - thats what I want to get to because thats what forest plot seems to be wanting. and surv.FD and surv.RD the number of people that survived? Mmm... was more

[R] - counting factor occurrences within a group: tapply()

Dear List, I'm an [R] novice starting analysis of an ecological dataset containing the basal areas of different tree species in a number of research plots. Example data follow: Trees-data.frame(SppID=as.factor(c(rep('QUEELL',2), rep('QUEALB',3), 'CORAME', 'ACENEG', 'TILAME')), BA=c(907.9,

Re: [R] Summarising Data for Forrest Plots

What I want to do is do a forrest (forest) plot for subgroups within my single dataset as a test of heterogeniety. I have a dataset who received either full dose(FD) or reduced dose(RD) treatment, and a number of characteristics about those subjects: age, sex, renal function, weight,

Re: [R] (senza oggetto)

Caro Sabrina, Take a look at ?options, especially the max.print parameter. Ciao, Jorge 2009/7/29 sabrina.michie...@alice.it Ciao, ho aperto con R un file di classe data frame con 15000 righe e 29 colonne. Nella console perň sono visualizzate solo la prime e l'ultima colonna e le ultime

[R] Re : vector thank you it works

I'm very impressed by the quick replies on the mailer. Thanks a lot for your suggestions. They worked very well. De : Linlin Yan yanlinli...@gmail.com Cc : r-help@r-project.org Envoyé le : Mercredi, 29 Juillet 2009, 18h26mn 32s Objet : Re: [R] vector rep(A,

Re: [R] - counting factor occurrences within a group: tapply()

This is probably what you want; you need to count the number of unique instances: tapply(Trees$SppID, Trees$PlotID, function(x) length(unique(x))) BU3F10 BU3F11 BU3F12 1 2 4 On Wed, Jul 29, 2009 at 12:57 PM, Ian Chidisterian.chidis...@gmail.com wrote: Dear List, I'm an [R]

Re: [R] - counting factor occurrences within a group: tapply()

does length instead of nlevels do what you want to do? with(Trees,tapply(SppID,PlotID,unique)) daniel - cuncta stricte discussurus - -Ursprüngliche Nachricht- Von: r-help-boun...@r-project.org [mailto:r-help-boun...@r-project.org] Im

[R] side-by-side Barplot newbie question

Hi, I am new to R and I hope someone can help me with my problem. I am trying to draw a side by side barplot. There is a main experiment and there are many sub experiments within the main experiment. I would like to draw a bar plot showing the number of sub_experiments done for each main_exp.

[R] Side by Side Barplot Newbie Question

Hi, Many apologies for sending this twice. I accidentally hit the send button before I finished writing my mail. I am new to R and I hope someone can help me with my problem. I am trying to draw a side by side barplot. There is a main experiment and there are many sub experiments within the

Re: [R] Determine the dimension-names of an element in an array in R

Hey, i have forgotten to generalize the code so Correl-Correl[1:4,,,] must be Correl-Correl[1:length(c),,,] it's because the comparison levels. I think you don't want the correlation betweeen A1, B1, D1 and A2, C1, D1 , but between A1, B1, D1 and A1, C1, D1 or between A1, B1, D1 and A1, C2,

Re: [R] - counting factor occurrences within a group: tapply()

Hi All- Thanks for your quick responses. I was looking for unique instances, so Jim's and Daniel's suggestions got the job done. Using length alone didn't discriminate between multiple occurrences of the same species and multiple species. I do have one followup question- my full data set (not

Re: [R] - counting factor occurrences within a group: tapply()

One way is to exclude the NAs from consideration by creating a new object without NAs in that column: newTrees - Trees[!is.na(Trees$SppID),] tapply(newTrees$SppID, newTrees$PlotID, function(x) length(unique(x))) On Wed, Jul 29, 2009 at 2:13 PM, Ian Chidisterian.chidis...@gmail.com wrote: Hi

Re: [R] - counting factor occurrences within a group: tapply()

Or even easier: tapply(Trees$SppID, Trees$PlotID, function(x) length(unique(na.omit(x On Wed, Jul 29, 2009 at 2:13 PM, Ian Chidisterian.chidis...@gmail.com wrote: Hi All- Thanks for your quick responses.  I was looking for unique instances, so Jim's and Daniel's suggestions got the job

Re: [R] - counting factor occurrences within a group: tapply()

Jim- That did the trick- thanks so much for taking the time to help me out. Sincerely, Ian Chidister On Wed, Jul 29, 2009 at 11:57 AM, Ian Chidister ian.chidis...@gmail.comwrote: Dear List, I'm an [R] novice starting analysis of an ecological dataset containing the basal areas of

[R] Systematic resampling (in sequential Monte Carlo)

Dear all, Here is a little coding problem. It falls in the category of how can I do this efficiently? rather than how can I do this? (I know how to do it inefficiently). So, if you want to take the challenge, keep reading, otherwise just skip to the next post - I won't be offended by that ;-)

[R] Watching tune parameters for SVM?

Hi, I'm switch over from RapidMiner to R. (The learning curve is steep, but there is so much more I can do with R and it runs much faster overall.) In RapidMiner, I can tune a parameter of my svm in a nice cross validation loop. The process will print out the progress as it goes. So for a

[R] how to compute other columns without a column for sample name

Data has the first row for variable name and the first column for sample name. I want to take Log for all data, but how to compute without the first column for sample name. log.raw_data=log(raw_data,base=2) Error in Math.data.frame(list(sample_id = c(1L, 2L, 3L, 4L, 5L, 6L, 7L, :

[R] Side by Side Barplot newbie question

Hi, Many apologies for sending this twice. I accidentally hit the send button before I finished writing my mail. I am new to R and I hope someone can help me with my problem. I am trying to draw a side by side barplot. There is a main experiment and there are many sub experiments

[R] standard error of median in MASS library

Hello all, I wonder which function in MASS library is calculating the standard error of median? thank you very much in advance, Lisa __ R-help@r-project.org mailing list https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide

Re: [R] regexpr virtue

Petr, Here is a different approach. It, in effect, works from the end of the string backwards, rather than from the beginning of the string forwards. substring(x, regexpr([0-9]+$, x)) The regular expression [0-9]+$ finds a string of 1 or more (+) digits ([0-9]) followed by the end of the

Re: [R] Installing lme4 package in Windows Vista

Thanks everyone! It works now :) Cheers, a. ONKELINX, Thierry wrote: Dear Angela, lme() is a part of the nlme package. The lme4 package has the function lmer() which is the equivalent of lme() from nlme. Both function differ in their capabilities. Briefly: lmer() can (easly) do

[R] Standard error of Median in MASS library

Dear All, I wonder which function in MASS library calculates and output the standard error of median. Thank you in advance for your help Lisa Wang Biostatistics, Princess Margaret hospital, toronto, On __ R-help@r-project.org mailing list

Re: [R] how to skip a numeric column for averaging other columns?

Hi, On Jul 29, 2009, at 3:02 PM, sandsky wrote: Data has the first row for variable name and the first column for sample name. I want to take Log for all data, but how to compute without the first column for sample name. That is, column 1: sample ID column 2-10: data I think one

Re: [R] how to skip a numeric column for averaging other columns?

log.raw.data - log(raw.data[,2:10]) I think but I don't understand the Data has the first row for variable name comment --- On Wed, 7/29/09, sandsky realst...@hotmail.com wrote: From: sandsky realst...@hotmail.com Subject: [R] how to skip a numeric column for averaging other columns?

Re: [R] Transporting data in different R windows

In the useR 2009 conference there was a lecture on how to use bigmemory to create and object (a matrix I guess) - and then be able to access it from two R sessions. Consider searching for that :) Tal On Wed, Jul 29, 2009 at 4:15 PM, Bogaso bogaso.christo...@gmail.com wrote: Hi, I am

Re: [R] Side by Side Barplot Newbie Question

Hi Brindha Does this answer your question: http://onertipaday.blogspot.com/2007/05/make-many-barplot-into-one-plot.html ? Cheers, Tal On Wed, Jul 29, 2009 at 8:48 PM, Brindha Selvaraj brindharh...@gmail.comwrote: Hi, Many apologies for sending this twice. I accidentally hit the send

Re: [R] Standard error of Median in MASS library

Well the MASS package is support for a book, the details for most of functions in the package are detailed in the book, so if you really want to know, either look at the code, or read the book. -- Gregory (Greg) L. Snow Ph.D. Statistical Data Center Intermountain Healthcare greg.s...@imail.org

Re: [R] Superscripts and rounding

library(RODBC) library(HYDAT) You will need to install HYDAT (the zip file) from http://www.geog.ubc.ca/~rdmoore/Rcode.htm Below is my current code - which works. The [[]] is the way i am accessing the columns from the data frame. thanks again for all your help # load HYDAT data

Re: [R] Package with function for plots with embedded hyperlinks?

Don't leave us hanging! What is it? --- On Wed, 7/29/09, Don MacQueen m...@llnl.gov wrote: From: Don MacQueen m...@llnl.gov Subject: Re: [R] Package with function for plots with embedded hyperlinks? To: r-help@r-project.org Received: Wednesday, July 29, 2009, 11:43 AM Never mind, just

[R] R programming class - Boston USA area - or online

Hello - I am just beginning to look into R Programming and have written some basic R code. Do you know of anyone in the Boston-USA area that might be offering any courses on R Programming? Or possibly a course online? Many thanks Mike Boucher Michael Boucher | Quantitative Analyst

Re: [R] Transporting data in different R windows

On Wed, 29-Jul-2009 at 06:15AM -0700, Bogaso wrote: | | Hi, | | I am working with multiple R-windows opened and would like to | transport some variables from one to another. Is there any direct | way to do this without saving them in hard-disk? With so little information given, I can't tell

Re: [R] Newbie in R: Reading .txt files and storing the 'numbers' in a vector

On Wed, 29-Jul-2009 at 10:29AM +0200, Patrick Schorderet wrote: Hello everybody, I'm a newbie in R and just went through an introduction class recently. Did you get the distinction between a vector and a dataframe? Here's my problem. I have 2 text files (.txt) with plain numbers

Re: [R] xtable formatting: RED for negative numbers?

Ken-JP wrote: Is there a way to modify this code to generate RED numbers inside xtable for negative results in x.ts? This post would probably have been better for R-help. Anyway, you can do it easily by modifying print.xtable.R in the xtable package. If it is easier, make a copy of

[R] Object equality for S4 objects

To test two environments for object equality (Lisp EQ), I can use 'identity': e1 - environment(local(function()x)) e2 - environment(local(function()x)) identical(e1,e2) # compares object identity [1] FALSE identical(as.list(e1),as.list(e2))# compares values as

[R] Which CRAN mirror is the fastest ?

Hi dear R help group. I was wondering how can I find out which CRAN mirror would be the fastest for me (I leave in Israel and therefore don't have a CRAN mirror for our country to go to by default) Thanks, Tal -- -- My contact information:

Re: [R] Side by Side Barplot Newbie Question

I think your data is set up incorrectly. With your data below as xx try this. # Dotcharts are often better than barplots so you might want to # try this library(reshape) mm - melt(xx, id=c(1:2)); mm bb - as.matrix(cast(mm, tt

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