Re: [R] rJava software

Hello, it seems that rJava tries to detect the path to the Java Virtual Maschine from a registry key which is not installed. I gues that the HLM means HKEY_LOCAL_MASCHINE where you find normally the path to your installed Java. On my Windows System i have for example the path HKEY_LOCAL_MASCHINE\S

Re: [R] Rserve : CStack usage too close to the limit

I successfully use RServe with big matrices for e.g. image analysis and as a computational backend for my GUI. http://www.uni-bielefeld.de/biologie/Oekosystembiologie/bio7app/flashtut/rperspective.htm http://www.uni-bielefeld.de/biologie/Oekosystembiologie/bio7app/flashtut/rperspective.htm http

[R] New version of ecological modelling software available with improved R interface

Dear R users, again with the hope that this application can also be useful for some R users, i like to announce a new Windows version of the ecological modeling software Bio7. For information: Bio7 uses a pure Rserve approach to interface Java and R and has a feature rich GUI to access and

Re: [R] Video Analysis?

In my application you can transfer images or single frames from ImageJ to R very efficiently and easily. http://www.uni-bielefeld.de/biologie/Oekosystembiologie/bio7app/flashtut/processavis.htm http://www.uni-bielefeld.de/biologie/Oekosystembiologie/bio7app/flashtut/processavis.htm However, t

Re: [R] R running as a server on windows?

Yes you can run the Rserve application on a remote computer in e.g network and then you can connect it from your Desktop computer. I've done this already with a remote Linux computer (Rserve is running very stable on a Linux computer). For example i clustered an R,G,B image on a linux computer wit

[R] Bio7 1.3 for Linux released!

Release notes: http://www.nabble.com/Bio7-1.3-Linux-released!-td20360723.html#a20360723 http://www.nabble.com/Bio7-1.3-Linux-released!-td20360723.html#a20360723 With kind regards M.Austenfeld -- View this message in context: http://www.nabble.com/New-version-of-ecological-modeling-software

[R] New version of ecological modeling software using R

Dear R users, again with the hope that this application can also be useful for some R users, i like to announce a new Windows version of the ecological modeling software Bio7. For information: Bio7 uses a pure Rserve approach to interface Java and R and has a feature rich GUI to access and

[R] A "cluster" package question and request for images

Dear R developers, i'm developing a Java application with a very efficient image transfer api between ImageJ and R. In my next release i can transfer bytes to R very fast with the help of the Rserve application. Furthermore i added an easy to use interface to the clustering algorithm "clara" in t

Re: [R] Statistics on raster pictures - asking for an advice

There a several pure R packages available like EBImage,pixmap,rimage and rgdal (reads images from which you can extract the different bands). I also offer a software which combines ImageJ and R and is capable to transfer images to R and create images from R easily by means of the Rserve applicati

Re: [R] PCA on image data

Dear Jorge, i think it works. I have to investigate it further but have a visible result from your suggestion. Thank you very much for your help! With kind regards Marcel Austenfeld -- View this message in context: http://www.nabble.com/PCA-on-image-data-tp18255217p18259659.html Sent from the

Re: [R] PCA on image data

Dear Jorge, As i've already written the princomp method works for me. But i'm interested to produce from the results a matrix which i can visualize (e.g the first pc) in an image application and which is then the source for a clustering algorithm. The background is that i've an application which

[R] PCA on image data

Dear R users, i would like to apply a PCA on image data for data reduction. The image data is available as three matrices for the RGB values. At the moment i use x <- data.frame(R,G,B)#convert image data to data frame pca<-princomp(x,retx = TRUE) This is working so far. >From this results th

Re: [R] Re ading OpenOffice Calc spreadsheet into R

I've developed an application which can read in data (doubles and doubles with head) directly from OpenOffice by means of the Java OpenOffice API and Rserve. Presentation: http://www.uni-bielefeld.de/biologie/Oekosystembiologie/bio7app/flashtut/transfertor.htm With kind regards Marcel -- Vi

Re: [R] Java to R interface

The native *.dll can't be found for any reason. For a first start simply put the native lib in your Eclipse Java project. If you are developing a plugin or a RCP application a must read is this article: http://www.eclipsezone.com/articles/eclipse-vms/ explaining how to load and place native libs

[R] New version of ecological modeling software using R

Dear R users, Again with the hope that this application can also be useful for some R users, i like to announce a new Windows version of the ecological modeling software Bio7. In this release you can now easily transfer images from the well known image analysis tool ImageJ to R or create images

[R] Problems with blanks and umlauts in filenames with Rserve

Dear R developers, I'm trying to load files by means of Rserve. If the files have blanks in it names or german umlauts the loading failes(for example when using the rgdal lib with readGDAL() ). In the R application without Rserve this works. Is there a general encoding recipe or switch that this

Re: [R] Execute R with *.RData argument

t; quit again in a subsequent session press y to update .RData for the > subsequent > session or n if you want to keep the first .RData. > > On Thu, Mar 27, 2008 at 5:02 AM, Bio7 > <[EMAIL PROTECTED]> wrote: >> >> Dear R developers, >> >> i wo

Re: [R] Execute R with *.RData argument

$ R ... > load("/home/user/workspace.RData") or put that line in your .Rprofile -- see ?Startup. (My guess is that you are used to the facility for drag-and-drop on Windows. Also, please re-read 'An Introduction to R' for the supported command-line arguments -- '-f' is supported but this is not

[R] Execute R with *.RData argument

Dear R developers, i would like to start R with a *.RData argument under Linux. Something like R -f /home/user/workspace.RData Is this possible? Thanks in advance for any answers. -- View this message in context: http://www.nabble.com/Execute-R-with-*.RData-argument-tp16323374p16323374.html S

Re: [R] R plot as image data and another question

In my case i use R by means of Rserve from my Java application. Since i`ve integrated the well known image analysis tool ImageJ i can send images to R and vice versa. This works well and is quite fast. My idea now was to get the plot information from R in the form of matrix data which i can transf

[R] R plot as image data and another question

Dear R developers, i would like to get the plots of R in the form of matrix data which i want to transfer to an external image software. Is it generally possible to get the plot information in form of data values? Another question concerns about the command line execution of scripts. >From an ex

Re: [R] Re ading microsoft .xls format and openoffice OpenDocument files

Well, this can be realized with the OpenOffice API and the rJava package i would guess: http://rosuda.org/rJava/ I successfully use the OpenOffice APi with Rserve to get and send data from or to the OpenOffice calc tool (Windows, Linux). The OpenOffice API itself and its use is good documented

Re: [R] Modelling disease spread

The simecol package is maybe what you want. http://hhbio.wasser.tu-dresden.de/projects/simecol/ http://hhbio.wasser.tu-dresden.de/projects/simecol/ Another possibility is to use a program i've written. Here is a flash presentation maybe also interesting for you. http://www.uni-bielefeld.de/biolo

Re: [R] Create *png or *.jpeg plot under Linux

Also thank you for your answer. It was the evil try() which i tried. And you are right about whitespaces in filenames! Also with kind regards Marcel -- View this message in context: http://www.nabble.com/Create-*png-or-*.jpeg-plot-under-Linux-tf4632271.html#a13230948 Sent from the R help mai

Re: [R] Create *png or *.jpeg plot under Linux

I used this plotting command with try(jpeg..) to catch errors with the Rserve application under Windows as the OS. I removed the try() construct under Linux and then it worked as it should (i never came to the idea to remove it..). Thank you for your answer With kind regards Marcel -- View th

[R] Create *png or *.jpeg plot under Linux

I have an example where i plot an image and load it dynamically in an image analysis tool to create a film (dynamic graph). This works well under Windows but i can't plot to *.png or *.jpeg files under Linux (Ubuntu) with the same command. I'm using: png(file,width=200,height=200) or jpeg(fil

Re: [R] Image analysis and image questions

Thank for the answer but i'm searching for built in (matrix operations) functions (filters) or functions for pattern recognition to identify special regions or shapes (in my case species, regions, boundary's). I can then transfer the results back and mark the image in ImageJ. In addition i found o

[R] Image analysis and image questions

Dear R users, in my application i can transfer images to R with the help of Rserve. The images come from a java application. When i plot a greyscale image (values 0-255) with images (imageMatrix...as grey) the image is created with inverse colours. My first question is how can i plot the image wi

Re: [R] know java version

If you use the java version fom the classpath you can type inside R: system("java -version") or type "java -version" in the shell or console. -- View this message in context: http://www.nabble.com/know-java-version-tf4573584.html#a13057080 Sent from the R help mailing list archive at Nabble.c

Re: [R] Calling R function from Java

Hello, I've created an application (IDE for ecological modelling) on the basis of Eclipse which uses Rserve http://www.rforge.net/Rserve/ http://www.rforge.net/Rserve/ to archieve this. I also implemented a small api to send or access data from or to R and Java. The transfer is very fast. I'v

Re: [R] Building packages including Java files

I think you have to visit the following website to get information about java packages: http://www.rforge.net/rJava/ http://www.rforge.net/rJava/ Then of course the official R documentation which describes how to build packages for R. With kind regards Marcel -- View this message in context