From: "Thomas S. Dye" <tsd@tsdye.com>
To: "Sébastien Vauban" <wxhgmqzgwmuf@spammotel.com>
Cc: emacs-orgmode@gnu.org
Subject: Re: Re: [babel] R questions
Date: Tue, 8 Dec 2009 06:00:58 -1000 [thread overview]
Message-ID: <ED59FB3A-2098-410D-A94B-59178231940D@tsdye.com> (raw)
In-Reply-To: <87fx7laj6w.fsf@mundaneum.com>
Aloha Sebasien,
On Dec 7, 2009, at 11:50 PM, Sébastien Vauban wrote:
> But what's a "NA" value in general? Is 0 always a meaningful value as
> numeric? Context-sensitive..
>
NA is a logical constant of length 1 which contains a missing value
indicator. Whether or not 0 is a meaningful value as numeric depends
on your data and the questions you are asking of it. You don't ask
this question, but if I read this thread correctly and you are trying
to workaround a data input problem with R in Org-babel, then replacing
missing values with 0 in a numeric context to get around the Org-babel
problem is NOT a good idea.
HTH,
Tom
next prev parent reply other threads:[~2009-12-08 16:01 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-12-04 22:31 [babel] R questions Sébastien Vauban
2009-12-05 0:45 ` Dan Davison
2009-12-08 9:50 ` Sébastien Vauban
2009-12-08 16:00 ` Thomas S. Dye [this message]
2009-12-08 21:37 ` Sébastien Vauban
2009-12-08 9:58 ` Sébastien Vauban
2009-12-08 16:26 ` Dan Davison
-- strict thread matches above, loose matches on Subject: below --
2009-12-08 22:40 Thomas S. Dye
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