Re: [R] saving large matrices with decimal numbers
Moreno Ignazio Coco wrote: Please tell us what you did exactly when you got the empty file: PLEASE do read the posting guide http://www.R-project.org/posting-guide.html and provide commented, minimal, self-contained, reproducible code. well, that's exactly the point, I didn't do anything fancy or special, just save the matrix I gave you before (1024 X 768) either in format txt. That's strange, because image <- matrix(0.1, 1024, 768) write.table(image, "~/data.txt", col.names=FALSE, row.names=FALSE) file.show("~/data.txt") works fine for me. Hence I suspect you did something very different, but since you have still not provided any piece of reproducible code, we cannot help. Uwe Ligges write.table(image, "~/mydata/blablabla/data.txt", col.names=F, row.names=F) or csv: write.csv (image, "~/mydata/blablabla/data.csv") both cases the output is an empty file. Do you know what can be the problem? Thanks a lot, Moreno write.csv (image, "/afs/inf.ed.ac.uk/user/s07/s0788806/R/r_data/ProdEyeTrack/DataFrame/Clustered/Clut/Cluster1/Cl1Verb-tr.csv.1") Quoting Uwe Ligges : Moreno Ignazio Coco wrote: Hi everybody, I am struggling to save txt. or csv. large sparse matrices (1024 X 768 image size), initialized at 0.1. image1[0:10,0:10] [,1] [,2] [,3] [,4] [,5] [,6] [,7] [,8] [,9] [,10] [1,] 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 [2,] 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 [3,] 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 [4,] 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 [5,] 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 [6,] 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 [7,] 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 [8,] 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 [9,] 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 [10,] 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 with small distributions located at different points of matrix. If I try the same matrix but initialized at 0, it can save it. It seems that R manages to save up around 800 X 600 decimal matrices but for bigger sizes the output is an empty file. Does anyone know whether there is a limit in saving such matrices and how can I work around this problem? Please tell us what you did exactly when you got the empty file: PLEASE do read the posting guide http://www.R-project.org/posting-guide.html and provide commented, minimal, self-contained, reproducible code. Best wishes, Uwe Ligges Thanks a lot, Regards, Moreno __ 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/posting-guide.html and provide commented, minimal, self-contained, reproducible code.
Re: [R] saving large matrices with decimal numbers
Hi image<-matrix(0.1, 768,1024) > image[1:10, 1:10] [,1] [,2] [,3] [,4] [,5] [,6] [,7] [,8] [,9] [,10] [1,] 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 [2,] 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 [3,] 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 [4,] 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 [5,] 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 [6,] 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 [7,] 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 [8,] 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 [9,] 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 [10,] 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 write.table(image, "temp.txt",col.names=F, row.names=F) saved without problems to working directory. So I suspect that in your case it is a problem in specifying the output file. Couldn't be the output file opened in some other programme? regards Petr r-help-boun...@r-project.org napsal dne 04.09.2009 12:04:42: > > > Please tell us what you did exactly when you got the empty file: > > PLEASE do read the posting guide http://www.R-project.org/posting-guide.html > > and provide commented, minimal, self-contained, reproducible code. > > well, that's exactly the point, I didn't do anything fancy or special, > just save the matrix I gave you before (1024 X 768) either in format > txt. > > write.table(image, "~/mydata/blablabla/data.txt", col.names=F, row.names=F) > > or csv: > > write.csv (image, "~/mydata/blablabla/data.csv") > > > both cases the output is an empty file. Do you know what can be the problem? > > Thanks a lot, > > Moreno > > write.csv (image, > "/afs/inf.ed.ac.uk/user/s07/s0788806/R/r_data/ProdEyeTrack/DataFrame/ > Clustered/Clut/Cluster1/Cl1Verb-tr.csv.1") > > > > Quoting Uwe Ligges : > > > Moreno Ignazio Coco wrote: > >> Hi everybody, > >> > >> I am struggling to save txt. or csv. large sparse matrices (1024 X > >> 768 image size), initialized at 0.1. > >> > >> image1[0:10,0:10] > >> [,1] [,2] [,3] [,4] [,5] [,6] [,7] [,8] [,9] [,10] > >> [1,] 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 > >> [2,] 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 > >> [3,] 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 > >> [4,] 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 > >> [5,] 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 > >> [6,] 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 > >> [7,] 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 > >> [8,] 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 > >> [9,] 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 > >> [10,] 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 > >> > >> with small distributions located at different points of matrix. > >> If I try the same matrix but initialized at 0, it can save it. > >> > >> It seems that R manages to save up around 800 X 600 decimal > >> matrices but for bigger sizes the output is an empty file. Does > >> anyone know whether there is a limit in saving such matrices and > >> how can I work around this problem? > > > > Please tell us what you did exactly when you got the empty file: > > PLEASE do read the posting guide http://www.R-project.org/posting-guide.html > > and provide commented, minimal, self-contained, reproducible code. > > > > Best wishes, > > Uwe Ligges > > > > > > > >> > >> Thanks a lot, > >> > >> Regards, > >> > >> Moreno > >> > >> > >> > > > > -- > The University of Edinburgh is a charitable body, registered in > Scotland, with registration number SC005336. > > __ > 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/posting-guide.html > and provide commented, minimal, self-contained, reproducible code. __ 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/posting-guide.html and provide commented, minimal, self-contained, reproducible code.
Re: [R] saving large matrices with decimal numbers
Please tell us what you did exactly when you got the empty file: PLEASE do read the posting guide http://www.R-project.org/posting-guide.html and provide commented, minimal, self-contained, reproducible code. well, that's exactly the point, I didn't do anything fancy or special, just save the matrix I gave you before (1024 X 768) either in format txt. write.table(image, "~/mydata/blablabla/data.txt", col.names=F, row.names=F) or csv: write.csv (image, "~/mydata/blablabla/data.csv") both cases the output is an empty file. Do you know what can be the problem? Thanks a lot, Moreno write.csv (image, "/afs/inf.ed.ac.uk/user/s07/s0788806/R/r_data/ProdEyeTrack/DataFrame/Clustered/Clut/Cluster1/Cl1Verb-tr.csv.1") Quoting Uwe Ligges : Moreno Ignazio Coco wrote: Hi everybody, I am struggling to save txt. or csv. large sparse matrices (1024 X 768 image size), initialized at 0.1. image1[0:10,0:10] [,1] [,2] [,3] [,4] [,5] [,6] [,7] [,8] [,9] [,10] [1,] 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 [2,] 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 [3,] 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 [4,] 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 [5,] 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 [6,] 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 [7,] 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 [8,] 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 [9,] 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 [10,] 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 with small distributions located at different points of matrix. If I try the same matrix but initialized at 0, it can save it. It seems that R manages to save up around 800 X 600 decimal matrices but for bigger sizes the output is an empty file. Does anyone know whether there is a limit in saving such matrices and how can I work around this problem? Please tell us what you did exactly when you got the empty file: PLEASE do read the posting guide http://www.R-project.org/posting-guide.html and provide commented, minimal, self-contained, reproducible code. Best wishes, Uwe Ligges Thanks a lot, Regards, Moreno -- The University of Edinburgh is a charitable body, registered in Scotland, with registration number SC005336. __ 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/posting-guide.html and provide commented, minimal, self-contained, reproducible code.
Re: [R] saving large matrices with decimal numbers
Moreno Ignazio Coco wrote: Hi everybody, I am struggling to save txt. or csv. large sparse matrices (1024 X 768 image size), initialized at 0.1. image1[0:10,0:10] [,1] [,2] [,3] [,4] [,5] [,6] [,7] [,8] [,9] [,10] [1,] 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 [2,] 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 [3,] 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 [4,] 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 [5,] 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 [6,] 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 [7,] 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 [8,] 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 [9,] 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 [10,] 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 with small distributions located at different points of matrix. If I try the same matrix but initialized at 0, it can save it. It seems that R manages to save up around 800 X 600 decimal matrices but for bigger sizes the output is an empty file. Does anyone know whether there is a limit in saving such matrices and how can I work around this problem? Please tell us what you did exactly when you got the empty file: PLEASE do read the posting guide http://www.R-project.org/posting-guide.html and provide commented, minimal, self-contained, reproducible code. Best wishes, Uwe Ligges Thanks a lot, Regards, Moreno __ 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/posting-guide.html and provide commented, minimal, self-contained, reproducible code.
[R] saving large matrices with decimal numbers
Hi everybody, I am struggling to save txt. or csv. large sparse matrices (1024 X 768 image size), initialized at 0.1. image1[0:10,0:10] [,1] [,2] [,3] [,4] [,5] [,6] [,7] [,8] [,9] [,10] [1,] 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 [2,] 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 [3,] 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 [4,] 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 [5,] 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 [6,] 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 [7,] 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 [8,] 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 [9,] 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 [10,] 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 with small distributions located at different points of matrix. If I try the same matrix but initialized at 0, it can save it. It seems that R manages to save up around 800 X 600 decimal matrices but for bigger sizes the output is an empty file. Does anyone know whether there is a limit in saving such matrices and how can I work around this problem? Thanks a lot, Regards, Moreno -- The University of Edinburgh is a charitable body, registered in Scotland, with registration number SC005336. __ 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/posting-guide.html and provide commented, minimal, self-contained, reproducible code.