[Babase] Please review a darting view

Jeanne Altmann altj at Princeton.EDU
Sun Jul 4 18:39:40 EDT 2010


I agree,
j

-----Original Message-----
From: babase-bounces at eeblistserv.princeton.edu
[mailto:babase-bounces at eeblistserv.princeton.edu] On Behalf Of Susan
Alberts
Sent: Saturday, July 03, 2010 10:23 AM
To: The Baboon Database Project
Subject: Re: [Babase] Please review a darting view

OK so I would say that we don't add SE column, and we call Standard  
Deviation stddev, to retain the sql function name. OK?
S

On Jul 2, 2010, at 10:34 PM, Karl O. Pinc wrote:

> On 07/02/2010 03:03:23 PM, Susan Alberts wrote:
>> I can see it too, thanks.
>>
>> It looks fine to me.
>>
>> I am okay with either stdev or stddev,  but I imagine most people
>> will
>>
>> find the first (stdev) easier to manage.
>
> I did stddev because that's the name of the PostgreSQL
> function.  We can do stdev if that sits better.  Let
> me know your preference.
>
>>
>> With respect to standard error versus standard deviation, but most
>> likely we would calculate standard error for a larger data set, and
>> not on an individual by individual basis. The standard error will be
>> a
>>
>> function of the sample size, and I'm not sure that we will learn much
>>
>> by having that column in this table.
>
> Now that your mention it I recall having this discussion while
> doing the design and recall you saying the same thing then.
>
>
>
> Karl <kop at meme.com>
> Free Software:  "You don't pay back, you pay forward."
>                 -- Robert A. Heinlein
>
>
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--------------------------------------------------------
Susan Alberts, Dept of Biology, Duke University, Box 90338, Durham NC  
27708, 919-660-7272 (Ph), 919-660-7293 (Fax)




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