This is not a bug but a documented feature. If I do that in source, even
in Linux I do not get output from the summary call. Why? Because
you did not print it. Inside a function (and source is a
function) autoprinting is turned off. You need to print
explicitly. The function of summary() is to compute a summary,
not to print it. That is the job of print.summary.lm (not
the non-existent print.summary as ?summary.lm says).
You have discovered the the reason for the existence of rterm,
to process scripts.
On Mon, 3 May 1999, Geldenhuys, Willie wrote:
> -------------------------------------------------
> SAMPLE SCRIPT:
> x<-rnorm(50)
> y<-12*x+30*rnorm(10)
> ff<-lm(y~x)
> sink("output.txt")
> print(ff) # this work give basic coefficients
> summary(ff) # should give Rsquare etc
> sink()
> -------------------------------------------------
>
> Having fitted a curve on a data set, I am trying
> to write all the statistics about the fit to a
> file.
>
> In Linux, everything works OK, but in Windows NT:
>
> RGUI
> source("sink.R")
>
> the summary(ff) does NOT write anything to the
> file. If you execute the same source via:
>
> RTERM < sink.R everything works OK.
--
Brian D. Ripley, ripley at stats.ox.ac.uk
Professor of Applied Statistics, http://www.stats.ox.ac.uk/~ripley/
University of Oxford, Tel: +44 1865 272861 (self)
1 South Parks Road, +44 1865 272860 (secr)
Oxford OX1 3TG, UK Fax: +44 1865 272595
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