Displaying 3 results from an estimated 3 matches for "yuesheng8".
2010 Feb 12
1
ffsave.image() error with large objects
Hi, I have been using ffsave.image() to save mixture of ff and normal
objects in my workspace. e.g.
ffsave.image(file = "C:\output\saveobjects", rootpath =
"D:\fftempdir", safe = TRUE)
It works fine but once my workspace has large (~4GB) objects, I get the error:
Error in ffsave.image(file = "C:\output\savedobjects", rootpath =
"D:\fftempdir", safe =
2009 Apr 03
1
bigglm "update" with ff
Hi, since bigglm doesn't have update, I was wondering how to achieve
something like (similar to the example in ff package manual using biglm):
first <- TRUE
ffrowapply ({
if (first) {
first <- FALSE
fit <- bigglm(eqn, as.data.frame(bigdata[i1:i2,,drop=FALSE]), chunksize =
10000, family = binomial())
} else {
fit <- update(fit,
2009 Nov 26
1
Save workspace with ff objects
Hi All,
My script generates a mixture of normal and ff objects. I need to run the
script for different parameter settings. Very often I would like to save the
workspace for each parameter setting, so that I can get back to it later on.
Is there an easy way to do this, instead of needing to save individual ff
objects separately? I've tried the naive way of just saving the workspace,
only to