Message-ID: <XFMail.20020222143018.plummer@iarc.fr>
Date: 2002-02-22T13:30:18Z
From: Martyn Plummer
Subject: R gnome and lda: found the difference
In-Reply-To: <Pine.OSF.3.96.1020222125402.10290K-100000@ija.csic.es>
It's a locale problem. I can reproduce this bug by relaunching my
GNOME session with the Spanish locale. Numerical values are getting
mangled because, in Spanish, decimals are represented with "," and
(I'm guessing after a quick look at gnumeric) scientific notation
requires a "+" or "-" prefix.
Please submit a bug report. Thank you for your patience.
Martyn
On 22-Feb-2002 Agustin Lobo wrote:
>
> 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?
>
> Agus
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