Re: [R] ff objects saving problem

Hi Jens, I have installed RTools, on my Win XP SP3 notebook, there are still errors when running the examples, > cat("let's create some ff objects\n") let's create some ff objects > n <- 8e3 > a <- ff(sample(n, n, TRUE), vmode="integer", length=n, filename="d:/tmp/a.ff") > b <- ff(sample(255, n,

Re: [R] ff objects saving problem

Xiaobo, You indeed need external 'zip' and 'unzip' utlities in the path, citing from ffsave's help: "using an external zip utility, e.g. for windows in Rtools on [http://www.murdoch-sutherland.com/Rtools/]";. Please note that the mentioned utilities have a 4 GB limit for the zip file, AFAIK. I

[R] ff objects saving problem

Hi, I am running the examples in page 70 of the ff package document, but it failed with the following error > cat("let's create some ff objects\n") let's create some ff objects > n <- 8e3 > a <- ff(sample(n, n, TRUE), vmode="integer", length=n, filename="d:/tmp/a.ff") > b <- ff(sample(255,