[EpiData-list] Re: Number of variables not missing

epidata-list at lists.umanitoba.ca epidata-list at lists.umanitoba.ca
Sat Dec 18 14:52:21 CST 2010


Dear Bernard,

What do you think about count if [logical statement].

For example: count if km=. will return the number of km that are missing in
the data set. Additionally you can list such list id if km=.
Please let me know if this helps.

Tieble

On 18 December 2010 18:00, <epidata-list-request at lists.umanitoba.ca> wrote:

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> Date: Sat, 18 Dec 2010 18:02:36 +0100
> From: epidata-list at lists.umanitoba.ca
> Subject: [EpiData-list] Number of variables not missing
> To: <epidata-list at lists.umanitoba.ca>
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> Hello,
>
> In EPIDATA ENTRY or ANALYSIS, to calculate an mean, it is easy to calculate
> a sum of several variables (the numerator)(even if some are missing), but I
> don't know calculate the number of non-missing variables (the denominator)
> as the command "NBVAL" in EXCEL. Thank you for helping me.
>
> Bernard BRANGER, Nantes, France
>
>
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