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From: Michael Brand <michael.ch.brand@gmail.com>
To: Andreas Leha <andreas.leha@med.uni-goettingen.de>
Cc: Org Mode <emacs-orgmode@gnu.org>
Subject: Re: 2 questions on tables
Date: Mon, 15 Jul 2013 10:41:35 +0200	[thread overview]
Message-ID: <CALn3zojiRyaxsVGBE6-7UGZQwx46J13EzvwvmH2CUnDvzhmncw@mail.gmail.com> (raw)
In-Reply-To: <871u705ngv.fsf@med.uni-goettingen.de>

Hi Andreas

On Mon, Jul 15, 2013 at 8:47 AM, Andreas Leha
<andreas.leha@med.uni-goettingen.de> wrote:
> I have two questions concerning tables in orgmode:

I try to answer your first question:

> 1. What is the best way to handle missing values?
>    I have the problem, that missing values ("") are treated as "0" when they
>    appear in a formula.
>    Entering ("nil") instead helps a bit, but does not propagate,
>    i.e. nil + 1 results in 0.
>    Can I do better?

Is this what you are looking for?:

| Tomato |      |      |
| Pear   | 3.00 | 6.00 |
#+TBLFM: $3 = if("$2" == "nan", string(""), 2 * $2 +.0); E f-2

For "E" see
http://orgmode.org/org.html#Formula-syntax-for-Calc
and for "+.0; f-2" see
http://orgmode.org/worg/org-faq.html#table-float-fraction

Michael

next prev parent reply	other threads:[~2013-07-15  8:41 UTC|newest]

Thread overview: 3+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2013-07-15  6:47 2 questions on tables Andreas Leha
2013-07-15  8:41 ` Michael Brand [this message]
2013-07-15  9:12   ` Andreas Leha

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