similar to: Improvements to write.arff (PR#12574)

There was a discussion on r-help of getting the output from print.packageInfo into a file. Spencer and I have added a file= argument to print.packageInfo for consideration in R. Had this been available it would have simplified the answer to that thread. If the file= argument is used then the packageInfo information is sent to the file specified rather than displayed using file.show .

Hi, I am trying to read in a large and highly sparse ARFF file into R which was produced by WEKA. However the package 'RWeka' just chokes on this file. The data set has about 40k observations and about 20k dimensions. Even after 1hr read.arff method of RWeka is still trying to read in the file, whereas WEKA is able to read it in in less than 20seconds. What are my options at this

?Hello everyone, I guess this is really directed to the R Core Team, but I understand that this is the best channel to submit this (please correct me if I'm wrong!). I would like to submit a function to consideration, as an upgrade for the current read.arff in package foreign. Code in github: https://raw.githubusercontent.com/jumanbar/misc/master/R/read.arff.R This function is a modified

Hi, x1 <- c(as.Date("20110101","%Y%m%d"),as.Date("2012-01-01","%Y-%m-%d")); x2 <- c("1","2"); ddf <- data.frame(x=x1,y=x2); ddf[["y"]] <- as.factor(ddf[["y"]]) write.arff(ddf, file="D:/ddf.arff") Content of ddf.arff is @relation ddf @attribute x numeric @attribute y

Saludos colegas. Estoy intentando cargar un archivo arff con el paquete RWeka pero me lanza el error FileNotFoundException cuando intento ejecutar la instrucción en R. Este es el código: datos<- read.arff(system.file("arff","cereals.arff", package = "RWeka")) El archivo cereals.arff y el script con el código R están en el mismo directorio, sin embargo, no me

Dear all, I am using the RWeka package to append several arff files. Although it works the resulting arff files always have "@relation R_data_frame", and I have to change this manually to my desired relation name. Can the package accomplish this for me instead? Thank you, Wil Koetsier

I need to create an arff file.i have the necesaary codes as two parts and i need to combine them..if there is anyone who can help i'll send the codes..thank you. -- View this message in context: http://r.789695.n4.nabble.com/help-for-creating-arff-file-i-have-the-codes-tp2308039p2308039.html Sent from the R help mailing list archive at Nabble.com.

A strange thing happened. After installing the most recent RC version of 2.7 (2008-04-20 r45403) I compiled it as usual with no errors. After installing it I ran "make fullcheck". I got as far as testing recommended packages and I got the following: ... -------- Testing package foreign -------- Running examples in 'foreign-Ex.R' ... Comparing `foreign-Ex.Rout' to

Hi the reference to R Internals https://cran.r-project.org/doc/manuals/r-release/R-ints.html#Tools in ?check (PkgUtils.Rd in utils package) is stale. Here is my proposed patch (use named reference rather than numeric reference to avoid any similar broken links in the future). Index: src/library/utils/man/PkgUtils.Rd =================================================================== ---

Does anyone have comments on the new wording here? Suggested: The Title field should be in title case. Current version is: (xxx) In title case this would be: (Xxx) Hoping R core will see this here and magically adopt it, otherwise I'll try posting it to the r bugs site ... =================================================================== --- src/library/tools/R/QC.R (revision

Sir, This query is related to randomForest regression using R. I have a dataset called qsar.arff which I use as my training set and then I run the following function - rf=randomForest(x=train,y=trainy,xtest=train,ytest=trainy,ntree=500) where train is a matrix of predictors without the column to be predicted(the target column), trainy is the target column.I feed the same data

Hi guRus, i'm running R-2.15.1 and the R CMD CHECK output appears to have changed substantially, in that instead of pointing me to the offending functions or files, I get lots of 'call sequence' traces as below. I've been using R CMD CHECK for years & never seen anything like this before. This is on a pretty fresh OSX 10.8 Mountain Lion installation, where I installed R from

Dear all When comparing sQuote("text") and dQuote("text") on MacOS X and Linux FC4 I get an inconsistent behavior (using the new release version R-2.6.0): sQuote: On Mac I get the correct result "'text'", but on FC4 the incorrect result "`text?". dQuote: On Mac I get the correct result "\"text\"", but on FC4 the incorrect

hi, what I want to do is assigning following code to any object. k<-paste("thank") writeLines(strwrap(k, width = 80,indent = 7,exdent = 6)) To assign the "writeLines" code, I try this a<-writeLines(strwrap(k, width = 80,indent = 7,exdent = 6)) or assign(a,writeLines(strwrap(k, width = 80,indent = 7,exdent = 6))) but it doesn't work. is there any way to solve

Dear R-devs, Scenario: When checking a package via `R CMD check package_tar.ball`, required / suggested packages may be missing. R subsequently returns a list of packages that are missing (delimited by spaces). Example: ``` R CMD check glmSparseNet_0.99.13.tar.gz * using log directory '/home/ubuntu/Bioconductor/glmSparseNet.Rcheck' * using R Under development (unstable) (2018-06-06

On 23/02/2016 7:06 AM, Mikko Korpela wrote: > On 23.02.2016 11:37, Martin Maechler wrote: >>>>>>> nospam at altfeld-im de <nospam at altfeld-im.de> >>>>>>> on Mon, 22 Feb 2016 18:45:59 +0100 writes: >> >> > Dear R developers >> > I think I have found a bug that can be reproduced with two lines of code

Tony Plate wrote: > ligges@statistik.uni-dortmund.de wrote: > >> tplate@blackmesacapital.com wrote: >> >> >>> I've noticed that seek(con, 0, "end", rw="r") on a file connection >>> does not always work correctly after a write (R 2.1.0 on Windows). >>> >>> [Is a call to fflush() needed inside file_seek() in

Recent functionality in jsonlite allows for streaming json to a user supplied connection object, such as a file, pipe or socket. RFC7159 prescribes json must be encoded as unicode; ISO-8859 (including latin1) is invalid. Hence I would like R to write strings as utf8, irrespective of the type of connection, platform or locale. Implementing this turns out to be unsurprisingly difficult on windows.

On 24/02/2016 9:55 AM, Mikko Korpela wrote: > On 24.02.2016 15:47, Duncan Murdoch wrote: >> On 23/02/2016 7:06 AM, Mikko Korpela wrote: >>> On 23.02.2016 11:37, Martin Maechler wrote: >>>>>>>>> nospam at altfeld-im de <nospam at altfeld-im.de> >>>>>>>>> on Mon, 22 Feb 2016 18:45:59 +0100 writes: >>>>

On 23.02.2016 14:06, Mikko Korpela wrote: > On 23.02.2016 11:37, Martin Maechler wrote: >>>>>>> nospam at altfeld-im de <nospam at altfeld-im.de> >>>>>>> on Mon, 22 Feb 2016 18:45:59 +0100 writes: >> >> > Dear R developers >> > I think I have found a bug that can be reproduced with two lines of code >>