Re: [R] Reading big files in chunks-ff package

2012-04-06 Thread Mav
Dear Jan, Thank you for your answers. They are very useful. I will try the LaF package. Cheers, -- View this message in context: http://r.789695.n4.nabble.com/Reading-big-files-in-chunks-ff-package-tp4502070p4537857.html Sent from the R help mailing list archive at Nabble.com. __

Re: [R] Reading big files in chunks-ff package

2012-03-25 Thread Mav
Thank you Jan My problem is the following: For instance, I have 2 files with different number of rows (15 million and 8 million of rows each). I would like to read the first one in chunks of 5 million each. However between the first and second chunk, I would like to analyze those first 5 million o

[R] Reading big files in chunks-ff package

2012-03-24 Thread Mav
Hello! A question about reading large CSV files I need to analyse several files with sizes larger than 3 GB. Those files have more than 10million rows (and up to 25 million) and 9 columns. Since I don“t have a large RAM memory, I think that the ff package can really help me. I am trying to use r