[Babase] REPSTATS and the unborn

Jeanne Altmann babase@www.eco.princeton.edu
Sun, 02 May 2004 17:21:49 -0400


I will look at the tables and get back to you with thoughts.  Menopause is 
definitely a minor issue, only occurs for VERY FEW females (perhaps 3 in 
all our records), but we need to rethink a number of things.  Thanks for 
checking and reminding,
jeanne

At 04:28 PM 5/2/2004 -0500, Karl O. Pinc wrote:

>On 2004.05.01 16:52 Karl O. Pinc wrote:
>>On 2004.05.01 15:34 Jeanne Altmann wrote:
>
>>It's not that you have the wrong stat, you have no row at all and
>>so no stat.  This seems reasonable to me.  If you did have a row
>>it would have the wrong number for 'days remaining in state'.
>>With no row, using SQL, you get no results for 'incomplete'
>>pregnancies.  This _sounds_ ok to me.
>>I'm going to try this with some test data to be sure what I think
>>is happening is happening.
>
>Yes, this is what's happening.  In general, the cycle statstics
>tables don't get data until the cycle is complete.  This rule
>is immediately broken, because the female's last cycle,
>menopause, goes on forever up to the statdate (death).
>Because the computer has no clue which females are in
>menopause, they all get their last cycle extended to their
>statdate which means that most of them will have incorrect
>data for their last cycle as the cycles data is entered
>much less frequently than the statdate is updated.
>
>We could 'fix' this by adding menopause data, but there's still
>other cases where the cycle data the computer generates is just
>plain wrong so I don't think this is a good fix, although it might
>be in conjunction with something else that will correct the
>computer's interpertation when there's gaps in cycles.
>
>I'm kind of thinking I don't want to think about it now....
>
>Karl <kop@meme.com>
>Free Software:  "You don't pay back, you pay forward."
>                  -- Robert A. Heinlein
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