Message-ID: <x2y9hlabv5.fsf@blueberry.kubism.ku.dk>
Date: 2002-02-22T13:23:58Z
From: Peter Dalgaard
Subject: R gnome and lda: found the difference
In-Reply-To: <Pine.OSF.3.96.1020222125402.10290K-100000@ija.csic.es>
Agustin Lobo <alobo at ija.csic.es> writes:
> Saving lda.default as text files from within gui="none" and from within
> gui="gnome"
> and comparing afterwards with diff, I get:
>
> alobo at humboldt:> diff lda.default.gnome.txt lda.default.nognome.txt
> 1c1
> < function (x, grouping, prior = proportions, tol = 1, method =
> c("moment",
> ---
> > function (x, grouping, prior = proportions, tol = 1e-04, method =
> c("moment",
> 61c61
> < if (all(abs(w - w0) < 0,01))
> ---
> > if (all(abs(w - w0) < 0.01))
> 109c109
> < dist <- 0 * dist - matrix(log(prior), n, ng, byrow = TRUE)
> ---
> > dist <- 0.5 * dist - matrix(log(prior), n, ng, byrow = TRUE)
>
> It's clear then that R with the gnome gui uses a different copy
> of lda.default,
> but the output of .path.package is identical:
> > .path.package()
> [1] "/usr/local/lib/R/library/MASS" "/usr/local/lib/R/library/ctest"
> [3] "/usr/local/lib/R/library/base"
>
> I don't think I can go further on my own, is this something that I should
> submit as a bug?
Maybe just let Martyn dig a little further and let him file the bug?
The comma in "if (all(abs(w - w0) < 0,01))" strongly suggests that we
have a locale problem (something is messing with LC_ALL and/or
LC_NUMERIC). We have seen some of these unexpected locale changes on
Microsoft platforms earlier -- as I keep saying: Gnome sometimes tries
too hard to be like Windows...
--
O__ ---- Peter Dalgaard Blegdamsvej 3
c/ /'_ --- Dept. of Biostatistics 2200 Cph. N
(*) \(*) -- University of Copenhagen Denmark Ph: (+45) 35327918
~~~~~~~~~~ - (p.dalgaard at biostat.ku.dk) FAX: (+45) 35327907
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