Re: [R] Optimisation and NaN Errors using clm() and clmm()

On 15 April 2013 13:18, Thomas wrote: > > Dear List, > > I am using both the clm() and clmm() functions from the R package 'ordinal'. > > I am fitting an ordinal dependent variable with 5 categories to 9 continuous > predictors, all of which have been normalised (mean subtracted then divided > b

[R] rdagum(Library (VGAM))

Hello! I am working with a procedure where I need to draw one observation at a time from dagum distribution. I used the function defined in the VGAM library. when I did, rdagum(n=1, 0.2,1,4.5)) it says: Error in qdagum(runif(n), shape1.a = shape1.a, scale = scale, shape2.p = shape2.p)

[R] HMM Package parameter estimation

Hi, I am having difficulties estimating the parameters of a HMM using the HMM package. I have simulated a sequence of observations from a known HMM. When I estimate the parameters of a HMM using these simulated observations the parameters are not at all close to the known ones. I realise the estim

Re: [R] matching multiple fields from a matrix

HI, May be this helps: dat1<- read.table(text=" site1 depth1 year1 site2 depth2 year2 10 30 1860 NA NA NA NA NA NA 50 30 1860 10 20 1850  11 20 1850 11 25 1950  12 25 1960 10 NA 1870  12 30 1960 11 25 1880  15 22  1890 14 22 1890  14 25 1880 ",sep="",header=TRUE,stringsAsFactors=FALSE)   res<-merg

Re: [R] how to add a row vector in a dataframe

Hi, May be this helps you. #Using set.seed(12345) S=10 simdata <- replicate(S, generate(250)) lstpshat<-lapply(seq_len(ncol(simdata)),function(i) {glm.t<-glm(t~x1+x2+x3+x4+x5+x6+x7+I(x2^2)+I(x4^2)+I(x7^2)+x1:x3+x2:x4+x3:x5+x4:x6+x5:x7+x1:x6+x2:x3+x3:x4+x4:x5+x5:x6,family=binomial,data=simdata[

Re: [R] converting blank cells to NAs

You can use na.strings="" in read.table() or read.csv() library(stringr) vec1<-unlist(str_split(readLines(textConnection("3,7,11,,12,14,15,,17,18,19")),","))  vec1[vec1==""]<- NA  vec1 # [1] "3"  "7"  "11" NA   "12" "14" "15" NA   "17" "18" "19" #or scan(text="3,7,11,,12,14,15,,17,18,19",sep=",

Re: [R] create an access file

You missed that this is not the RStudio support forum. You probably also missed that R comes in both 32-bit and 64-bit flavors in the Windows binary distribution, and you have to use the one that matches the ODBC drivers you want to use. You can specify which version RStudio is to use. -

Re: [R] Can not load Rcmdr

Dear Lugwig, Have you followed the steps in the Rcmdr installation notes at ? In particular, have you installed X-Windows? Mac OS X Mountain Lion does not come with X-Windows installed. Best, John

Re: [R] create an access file

Hi there, I tried the command in https://stat.ethz.ch/**pipermail/r-help/2007-June/** 133606.html In R, it works OK. In Rstudio, there seems to be a problem: library(RODBC)ch <- odbcDriverConnect("Driver={Microsoft Access Driver (*.md

Re: [R] create an access file

worked it out. Thank you. misunderstood the post earlier. Aileen On 15 April 2013 20:17, Prof Brian Ripley wrote: > On 15/04/2013 07:12, Aileen Lin wrote: > >> Hi there, >> >> I have seen this post. >> https://stat.ethz.ch/**pipermail/r-help/2007-June/**133606.html

Re: [R] View saved workspace commands

On 15.04.2013 21:53, Sourabh Sinha wrote: R version : 2.15.2 Windows: 7 32-bit Hello, I was trying to load a saved workspace image from the working directory. I issued the command load('image_name') in R console. It did not throw any error, but then it returned the prompt. I want to view t

Re: [R] nearest stations in distance matrix

There was a bit of cranial wind-passing in my previous message. (A bit of redundancy.) My solution should have read: diag(M) <- Inf nn5 <- apply(M,1,function(x){order(x)[1:5]}) What I wrote gave the right answer; there was just a bunch of unnecessary ring-around-the-rosy playing in it.

[R] Fwd: Imputation with SOM using kohonen package

Trying re-send as plain text. I have a data set with 10 variables, and about 8000 instances (or objects/rows/samples). In addition I have one more ('class') variable that I have about 10 instances for, but for which I wish to impute values for. I am a little confused how to go about doing this, m

Re: [R] nearest stations in distance matrix

Presumably --- based on the question she actually *asked* --- she does NOT have the coordinates of the stations; only the distance matrix. I believe that the following will do the job: Let M be the distance matrix. diag(M) <- Inf nn5 <- apply(M,1,function(x){((1:length(x))[order(x)])[1

Re: [R] Can not load Rcmdr

On Apr 15, 2013, at 1:51 PM, Ludwig Asam wrote: > Hello, > > I have the same problem on my mac and it doesn't work to load Rcmdr.. > >> library(Rcmdr) > Error : .onAttach failed in attachNamespace() for 'Rcmdr', details: > call: structure(.External(.C_dotTclObjv, objv), class = "tclObj") >

Re: [R] Removing multiple elements from a vector or list

On Apr 15, 2013, at 2:30 PM, arun wrote: > Hi, > vec1<- letters alp <- as.list(letters) would have constructed the vector that was described. > vec1[!grepl("b|r|x",alp)] > # [1] "a" "c" "d" "e" "f" "g" "h" "i" "j" "k" "l" "m" "n" "o" "p" "q" "s" "t" > "u" > #[20] "v" "w" "y" "z" > vec1[!vec1

[R] Can not load Rcmdr

Hello, I have the same problem on my mac and it doesn't work to load Rcmdr.. > library(Rcmdr) Error : .onAttach failed in attachNamespace() for 'Rcmdr', details: call: structure(.External(.C_dotTclObjv, objv), class = "tclObj") error: [tcl] invalid command name "image". Error: package or

[R] matching multiple fields from a matrix

I have been trying many ways to match 2 separate fields in a matrix. Here is a simplified version of the matrix: site1 depth1 year1 site2 depth2 year2 10 30 1860NA NA NA NA NA NA 50 30 1860 Basically I am trying to identify the sites which

[R] View saved workspace commands

R version : 2.15.2 Windows: 7 32-bit Hello, I was trying to load a saved workspace image from the working directory. I issued the command load('image_name') in R console. It did not throw any error, but then it returned the prompt. I want to view the commands (or history) I typed there, how do

Re: [R] Removing multiple elements from a vector or list

Hi,  vec1<- letters vec1[!grepl("b|r|x",alp)] # [1] "a" "c" "d" "e" "f" "g" "h" "i" "j" "k" "l" "m" "n" "o" "p" "q" "s" "t" "u" #[20] "v" "w" "y" "z"  vec1[!vec1%in% c("b","r","x") ] # [1] "a" "c" "d" "e" "f" "g" "h" "i" "j" "k" "l" "m" "n" "o" "p" "q" "s" "t" "u" #[20] "v" "w" "y" "z" alp<-lapp

[R] Smallest Space Analysis help

Hello fellow R users, I need to perform Guttman's Smallest Space Analysis, which is a type of Non-metric Multidimensional Scaling. Not wanting to reinvent the wheel i decided to look for a package which may have an implementation of it, but no success at all. Do you guys know of any package that pe

Re: [R] regression with paired left-censored data

On Apr 15, 2013, at 8:55 AM, Laura MacCalman wrote: > > HI > > I am trying to analyse data which is left-censored (i.e. has values below the > detection limit). I have been using the NADA package of R to derive summary > statistics and do some regression. I am now trying to carry out regressi

Re: [R] regression with paired left-censored data

I would probably start with maximum likelihood estimation. I suppose you could impute X and Y separately using ros() from the NADA package, and then run you ordinary regression on the imputed values. Obviously, this ignores any relationship between X and Y, since each is imputed independently of t

Re: [R] group data

Hi, You could do this: dat1<- read.table(text=" ID  Value AL1  1 AL2  2 CA1  3 CA4  4 ",sep="",header=TRUE,stringsAsFactors=FALSE)  lst1<-split(dat1,gsub("\\d+","",dat1$ID)) res<-do.call(rbind,lapply(seq_along(lst1),function(i) {x1<-lst1[[i]]; x1$group<- paste0("Key",i);x1}))  res #   ID Value gro

Re: [R] Remove Rows Based on Factor

Hi, In addition: You can subset based on time or date: ZZ1['2006'] #   Open High  Low Close   Volume Adjusted #2006-04-07 17.5 18.2 17.3  17.5 23834500 16.8 #2006-04-08 17.6 17.6 16.8  16.8  2916000 16.2 ZZ1['2007-01/2008-01'] #   Open High  Low Close  Volume Adjusted #200

Re: [R] Remove Rows Based on Factor

Hi, May be this helps: ZZ<- data.frame(Index=c("2006-04-07","2006-04-08","2007-01-01","2007-01-01","2008-01-04","2008-01-04"),Open=c(17.5,17.6,16.8,17.2,17.3,17.5),High=c(18.2,17.6,17.2,17.2,17.5,17.6),Low=c(17.3,16.8,16.8,16.8,16.2,15.8),Close=c(17.5,16.8,17.1,16.8,15.9,16.2),Volume=c(23834500,29

Re: [R] Remove Rows Based on Factor

On Apr 15, 2013, at 9:58 AM, Sparks, John James wrote: > Dear R Helpers, > > I did a search for deleting rows based on conditions but wasn't able to > find an example that addressed the error that I am getting. I am hoping > that this is a simple syntax phenomenon that somebody else knows off t

Re: [R] Sorting data.frame and again sorting within data.frame

On Apr 15, 2013, at 9:33 AM, Jeff Newmiller wrote: > Yes, that would be because she converted to Date on the fly in her example, > and so apparently did not need this reminder. I apologize, Iobviously missed that. So the answer was simply to put a minus sign in front of the as.Date() expressi

[R] Remove Rows Based on Factor

Dear R Helpers, I did a search for deleting rows based on conditions but wasn't able to find an example that addressed the error that I am getting. I am hoping that this is a simple syntax phenomenon that somebody else knows off the top of their head. My apologies for not providing a reproducibl

Re: [R] Convert results from print(survfit(formula, ...)) into a matrix or data frame

Hi Marc, Oh, yes. That is quite simple. Silly me for not recognizing this. Thanks very much for your help. Paul __ R-help@r-project.org mailing list https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide http://www.R-project.org

Re: [R] Convert results from print(survfit(formula, ...)) into a matrix or data frame

On Apr 15, 2013, at 11:31 AM, Paul Miller wrote: > Hello All, > > Below is some sample survival analysis code. I'd like to able to get the > results from print(gehan.surv) into a matrix or data frame, so I can > manipulate them and then create a table using odfWeave. Trouble is, I'm not > qu

Re: [R] Sorting data.frame and again sorting within data.frame

Yes, that would be because she converted to Date on the fly in her example, and so apparently did not need this reminder. --- Jeff NewmillerThe . . Go Live... DCN:Basics: ##.#

[R] Convert results from print(survfit(formula, ...)) into a matrix or data frame

Hello All, Below is some sample survival analysis code. I'd like to able to get the results from print(gehan.surv) into a matrix or data frame, so I can manipulate them and then create a table using odfWeave. Trouble is, I'm not quite sure how make such a conversion using the results from a pri

[R] Latent variable manual construction

Dear all, I had a question around how to manually construct latent variables. I'll provide a little background…. Basically I have a SEM with 17 items, 6 latent variables and 615 rows of data. I have all my model data (loadings, t values etc.) from lavaan, as well as correlation matrices. I wa

[R] regression with paired left-censored data

HI I am trying to analyse data which is left-censored (i.e. has values below the detection limit). I have been using the NADA package of R to derive summary statistics and do some regression. I am now trying to carry out regression on paired data where both my X and Y have left-censored data w

Re: [R] Sorting data.frame and again sorting within data.frame

On Apr 14, 2013, at 11:01 PM, Katherine Gobin wrote: > Dear R forum, > > I have a data.frame as defied below - > > df = data.frame(names = c("C", "A", "A", "B", "C", "B", "A", "B", "C"), dates > = c("4/15/2013", "4/13/2013", "4/15/2013", "4/13/2013", "4/13/2013", > "4/15/2013", "4/14/2013",

Re: [R] group data

What if more generally that the group name doest have anything to do with the ID, eg. for ID=AL1 and AL2, I want to name the group as "Key1", how can I approach that? Thanks, On Thu, Apr 11, 2013 at 11:54 AM, Rui Barradas wrote: > Hello, > > Try the following. > > > dat <- read.table(text = "

[R] Is it possible to create Dual y axes with ggplot2 package?

Hi, Is it possible to create Dual y axes with ggplot2 package? If so, is there any sample codes that reaches (or partially) this goal? The author of the package, Dr Hadley Wickham, seem to discourage the dual axes, but some remedies were provided by other users (If I am wrong, please correc

Re: [R] RJSONIO Installation

On 13.04.2013 08:22, Jeff Newmiller wrote: R CMD build will only work on Windows if you have Rtools installed. Visit your local CRAN mirror and read... this is not exactly trivial. Not exactly true: pure R code / data packages typically R CMD build and R CMD INSTALL without those tools ins

Re: [R] Indices of lowest values in matrix

Dear Arun, Thankyou very much. it worked out :D Elisa > Date: Mon, 15 Apr 2013 07:19:40 -0700 > From: smartpink...@yahoo.com > Subject: Re: [R] Indices of lowest values in matrix > To: eliza_bo...@hotmail.com > > Hi Elisa, > I am not sure how you got that values for the first rows of mat1. Is it

Re: [R] how to transform string to "Camel Case"?

On Mon, Apr 15, 2013 at 10:56 AM, Gabor Grothendieck wrote: > On Mon, Apr 15, 2013 at 2:50 AM, Liviu Andronic > wrote: >> Dear all, >> Given the following vector: >>> (z <- c('R project', 'hello world', 'something Else')) >> [1] "R project" "hello world""something Else" >> >> I know how

Re: [R] Using R commander within R Studio (Mac)

Dear Helene, I don't think that your problem has anything to do with RStudio. I suspect that you haven't installed Tcl/Tk for X-Windows on your Mac, as is required by the tcltk package for versions of R on the Mac prior to 3.0.0. Please read the Rcmdr installation instructions at

Re: [R] how to transform string to "Camel Case"?

On Mon, Apr 15, 2013 at 2:50 AM, Liviu Andronic wrote: > Dear all, > Given the following vector: >> (z <- c('R project', 'hello world', 'something Else')) > [1] "R project" "hello world""something Else" > > I know how to obtain all capitals or all lower case letters: >> tolower(z) > [1] "

[R] Using R commander within R Studio (Mac)

Hi. I am a R studio user and would like to use RCommander within R studio. Each time I try to install and use Rcommander, I see the following message: Loading Tcl/Tk interface ... Error : .onLoad failed in loadNamespace() for 'tcltk', details: call: dyn.load(file, DLLpath = DLLpath, ...) erro

[R] use of simulate.Arima (forecast package)

I would like to simulate some SARIMA models, e.g. a SARIMA (1,0,1)(1,0,1)[4] process. I installed the package 'forecast', where the function simulate.Arima should do what I am trying to do. I am not able to understand how it works Could somebody help me with an example? thank you Stefano Sofia

Re: [R] as.date not reading Hour/Minute am/pm Data

Hi, Try: x<- c("2/26/13 11:59 PM", "2/25/13 10:25 AM") strptime(x,"%m/%d/%y %I:%M %p") #[1] "2013-02-26 23:59:00" "2013-02-25 10:25:00" #or library(lubridate) parse_date_time(x,"%m/%d/%y %I:%M %p") # 2 parsed with %m/%d/%y %I:%M %p #[1] "2013-02-26 23:59:00 UTC" "2013-02-25 10:25:00 UTC" A.K.

Re: [R] (no subject)

On Apr 15, 2013, at 14:30 , ilovestats wrote: > Hi, I'm trying to decide between doing a FA or PCA and would appreciate some > pointers. I've got a questionnaire with latent items which the participants > answered on a Likert scale, and all I want to do at this point is to explore > the data and

Re: [R] need help with R

Sam tingey wrote: > can i email questions to this address to get help with using R Sarah Goslee replied; Yes, but do read: http://www.R-project.org/posting-guide.html Dieter Menne thought: Catch 42. When you are so good that you can create a reproducible example without using R, you only will

Re: [R] Indices of lowest values in matrix

Hi, TRy this: set.seed(30)  mat1<- matrix(sample(1:50,12*12,replace=TRUE),ncol=12) mat1   [,1] [,2] [,3] [,4] [,5] [,6] [,7] [,8] [,9] [,10] [,11] [,12]  [1,]    5   28   13    4   47    3   30   16    3    39    42 9  [2,]   25   44   15   21    9    5   32    5    4    33    30    21  [3,

Re: [R] Cross validation for Naive Bayes and Bayes Networks

Hi Guilherme, On Sun, Apr 14, 2013 at 11:48 PM, Guilherme Ferraz de Arruda wrote: > Hi, > I need to classify, using Naive Bayes and Bayes Networks, and estimate > their performance using cross validation. > How can I do this? > I tried the bnlearn package for Bayes Networks, althought I need to

Re: [R] need help with R

Yes, but do read: http://www.R-project.org/posting-guide.html first. Sarah On Mon, Apr 15, 2013 at 2:09 AM, sam tingey wrote: > hey there > > can i email questions to this address to get help with using R > > thanks sam > > > __ > R-help@r-project.org

Re: [R] how to transform string to "Camel Case"?

HI, You could use: gsub("(^|\\s+)([a-z])","\\1\\U\\2",z,perl=TRUE) #[1] "R Project"  "Hello World"    "Something Else" #or  gsub("\\b([a-z])","\\U\\1",z,perl=TRUE) #[1] "R Project"  "Hello World"    "Something Else" A.K. - Original Message - From: Liviu Andronic To: r-help Cc:

[R] Optimisation and NaN Errors using clm() and clmm()

Dear List, I am using both the clm() and clmm() functions from the R package 'ordinal'. I am fitting an ordinal dependent variable with 5 categories to 9 continuous predictors, all of which have been normalised (mean subtracted then divided by standard deviation), using a probit link functi

[R] (no subject)

Hi, I'm trying to decide between doing a FA or PCA and would appreciate some pointers. I've got a questionnaire with latent items which the participants answered on a Likert scale, and all I want to do at this point is to explore the data and extract a number of factors/components. Would FA or PCA

[R] need help with R

hey there can i email questions to this address to get help with using R thanks sam [[alternative HTML version deleted]] __ R-help@r-project.org mailing list https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide http://

[R] Overlay two stat_ecdf() plots

I want to plot two scdf-plots in the same graph. I have two input tables with one column each: > Targets <- read.table("/media/", sep="", header=T) > NonTargets <- read.table("/media/...", sep="", header=T) > head(Targets) V1 1 3.160514 2 6.701948 3 4.093844 4 1.992014 5 1.604751 6 2.

Re: [R] Kruskal-Wallis

One statistical point beyond A.K.'s well done response. As you should well know, Kruskal-Wallis is a non-parametric equivalent of ANOVA. However, you only have two groups and do not require an ANOVA approach. You could simply use a Mann-Whitney U (aka.. independent Wilcoxon) test using wilcox.te

Re: [R] Kruskal-Wallis

Hi, set.seed(25)  myFile1<-as.data.frame(matrix(sample(1:40,50,replace=TRUE),nrow=10))  row.names(myFile1)<- LETTERS[1:10] groups <- rep (0:1, c(3,2)) kruskal<-apply(myFile1,1,kruskal.test,groups)  p_kruskal <- sapply(kruskal, function(x) x$p.value)  p_kruskal # A  B  C

Re: [R] Sorting data.frame and again sorting within data.frame

You can also use: df[order(df$names,-xtfrm(df$dates),decreasing=FALSE),]  # names dates values #3 A 4/15/2013 31 #7 A 4/14/2013    102 #2 A 4/13/2013 31 #6 B 4/15/2013 34 #8 B 4/14/2013 47 #4 B 4/13/2013 17 #1 C 4/15/2013 10 #9 C 4/14/2013

Re: [R] Sorting data.frame and again sorting within data.frame

library(plyr) arrange(df,names,desc(dates)) #  names dates values #1 A 4/15/2013 31 #2 A 4/14/2013    102 #3 A 4/13/2013 31 #4 B 4/15/2013 34 #5 B 4/14/2013 47 #6 B 4/13/2013 17 #7 C 4/15/2013 10 #8 C 4/14/2013 29 #9 C 4/13/2013   

Re: [R] how to transform string to "Camel Case"?

On Mon, Apr 15, 2013 at 2:22 PM, Gergely Daróczi wrote: > I have added an extra check in the function for NA values before applying > `paste` at > https://github.com/Rapporter/rapport/compare/34ca6a35fb...a04abc8b21 > Alex might not like it :) > > Example: > >> tocamel(z, upper = TRUE, sep = ' ')

Re: [R] Indices of lowest values in matrix

On Apr 15, 2013, at 14:27 , eliza botto wrote: > Dear R users,Sorry for such a basic question. I really need to know that how > can i pick the indices of 5 lowest values from each row of a matrix with > dimensions 12*12??Thank you very much in advance Something like this? > m [,1] [,2]

Re: [R] importing and merging many time series

On Sun, Apr 7, 2013 at 7:40 AM, Anton Lebedevich wrote: > Hello. > > I've got many (5-20k) files with time series in a text format like this: > > 1359635460 2.006747 > 1359635520 1.886745 > 1359635580 3.066988 > 1359635640 3.633578 > 1359635700 2.140082 > 1359635760 2

[R] Indices of lowest values in matrix

Dear R users,Sorry for such a basic question. I really need to know that how can i pick the indices of 5 lowest values from each row of a matrix with dimensions 12*12??Thank you very much in advance Elisa [[alternative HTML version deleted]] ___

Re: [R] how to transform string to "Camel Case"?

On 15 April 2013 14:10, Liviu Andronic wrote: > On Mon, Apr 15, 2013 at 10:10 AM, Gergely Daróczi > wrote: > > Dear Liviu, > > > > I have just updated "tocamel" to have a new argument, so the development > > version of the package would produce: > > > >> tocamel(z, upper = TRUE, sep = ' ') > >

Re: [R] how to transform string to "Camel Case"?

Liviu Andronic writes: > On Mon, Apr 15, 2013 at 9:25 AM, Henrik Bengtsson > wrote: >> See for instance capitalize() in the R.utils package. >> > Unfortunately this also fails when NA values are present: > z <- c("R project", "hello world", "something Else", NA) >> R.utils::capitalize(z) > [1]

Re: [R] how to transform string to "Camel Case"?

On Mon, Apr 15, 2013 at 10:10 AM, Gergely Daróczi wrote: > Dear Liviu, > > I have just updated "tocamel" to have a new argument, so the development > version of the package would produce: > >> tocamel(z, upper = TRUE, sep = ' ') > [1] "R Project" "Hello World""Something Else" > Thanks fo

Re: [R] how to transform string to "Camel Case"?

On Mon, Apr 15, 2013 at 9:20 AM, Pascal Oettli wrote: > There is an example of how to do do what you are looking for in ?toupper > Unfortunately this fails when NA values are present: z <- c("R project", "hello world", "something Else", NA) > tocapwords(z) [1] "R Project" "Hello World""So

Re: [R] how to transform string to "Camel Case"?

On Mon, Apr 15, 2013 at 9:25 AM, Henrik Bengtsson wrote: > See for instance capitalize() in the R.utils package. > Unfortunately this also fails when NA values are present: z <- c("R project", "hello world", "something Else", NA) > R.utils::capitalize(z) [1] "R project" "Hello world""Som

[R] Fwd: Dotchart per groups

Hi all, I would like to ask you for advice. I did a dotplot - using dotchart function. There are two localites (loc) with values 75 or 56 in my data ZZ. The f column has 4 levels: P1, S1, S8, R6. The dataframe is ordered by N value, pchloc value is assign to use "pch" in plot. > head(ZZ) loc

Re: [R] nearest stations in distance matrix

Dear Eliza, If you have the coordinates of the stations you can use the nnwhich() function from the spatstat package. Best regards, ir. Thierry Onkelinx Instituut voor natuur- en bosonderzoek / Research Institute for Nature and Forest team Biometrie & Kwaliteitszorg / team Biometrics & Quality

[R] nearest stations in distance matrix

Dear R-user, Is there a way in R to locate the nearest 5 indices to a station, based on distances in a distance matrix. In other words i want to have nearest stations based on the distances in the matrix. The distance matrix, i have, has dimension 44*44. Thankyou very much in advance Elisa

Re: [R] create an access file

On 15/04/2013 07:12, Aileen Lin wrote: Hi there, I have seen this post. https://stat.ethz.ch/pipermail/r-help/2007-June/133606.html have odbc installed in my machine. Now I have the following message: channel2 <- odbcDriverConnect("test.mdb")Warning messages:1: In odbcDriverConnect("test.mdb"

Re: [R] model frame and formula mismatch in model.matrix()

Hi Eva, you're right, it works with 50 variables. Then, how could I change this variable limit in the lm function? Thank you very much for your help. Julien. -- View this message in context: http://r.789695.n4.nabble.com/model-frame-and-formula-mismatch-in-model-matrix-tp4664093p4664226.html

[R] create an access file

Hi there, I have seen this post. https://stat.ethz.ch/pipermail/r-help/2007-June/133606.html have odbc installed in my machine. Now I have the following message: channel2 <- odbcDriverConnect("test.mdb")Warning messages:1: In odbcDriverConnect("test.mdb") : [RODBC] ERROR: state IM002, code 0,

Re: [R] how to transform string to "Camel Case"?

Dear Liviu, I have just updated "tocamel" to have a new argument, so the development version of the package would produce: > tocamel(z, upper = TRUE, sep = ' ') [1] "R Project" "Hello World""Something Else" Best, Gergely PS #1: to install the "dev" branch you might give a try to the d

[R] Imputation with SOM using kohonen package

I have a data set with 10 variables, and about 8000 instances (or objects/rows/samples). In addition I have one more ('class') variable that I have about 10 instances for, but for which I wish to impute values for. I am a little confused how to go about doing this, mostly as I'm not well-versed in

Re: [R] Sorting data.frame and again sorting within data.frame

The examples in ?order show a method that could be applied if you avoid the decreasing argument and instead convert the Date to numeric for purposes of sorting. --- Jeff NewmillerThe . ..

Re: [R] how to transform string to "Camel Case"?

On Apr 15, 2013, at 08:50 , Liviu Andronic wrote: > Dear all, > Given the following vector: >> (z <- c('R project', 'hello world', 'something Else')) > [1] "R project" "hello world""something Else" > > I know how to obtain all capitals or all lower case letters: >> tolower(z) > [1] "r p

Re: [R] how to transform string to "Camel Case"?

See for instance capitalize() in the R.utils package. Henrik On Apr 14, 2013 11:51 PM, "Liviu Andronic" wrote: > Dear all, > Given the following vector: > > (z <- c('R project', 'hello world', 'something Else')) > [1] "R project" "hello world""something Else" > > I know how to obtain al

Re: [R] how to transform string to "Camel Case"?

Hi, There is an example of how to do do what you are looking for in ?toupper Regards, Pascal On 04/15/2013 03:50 PM, Liviu Andronic wrote: Dear all, Given the following vector: (z <- c('R project', 'hello world', 'something Else')) [1] "R project" "hello world""something Else" I kn