[Babase] Changing Immigrant Male Census Data
Lacey Maryott Roerish
lroerish4 at gmail.com
Wed Nov 18 10:37:07 EST 2009
On Wed, Nov 18, 2009 at 10:34 AM, Karl O. Pinc <kop at meme.com> wrote:
> On 11/18/2009 09:20:11 AM, Lacey Maryott Roerish wrote:
> I
> > have a list of 25 immigrant males who have a matgrp of 9, but who,
> > instead
> > of being in group 9 from birth until their entry date, are actually
> > shown to
> > be in their 'entry group' at birth. I have, for all of these males,
> > the
> > list of actual dates when they should enter our population.
> > What I am not sure of is, if I simply change the date prior to
> > their
> > entry date to group 9... will it interpolate back to 9 for the rest
> > of
> > their
> > young lives.... do I have to make incremental changes, do I just
> > change
> > their group at birth date and group at the day before entry?
> > I have tried reading through the documentation but it isn't
> > obvious to
> > me what the best method is to get babase to understand that these
> > males are
> > really in grp 9 until their entry dates.
>
> What are their CENSUS.Status codes? That's always what
> you need to go back to when there are questions about
> interpolation. My suspicion is
> that they are the "old style" ones from Susan's data,
> and that there's a row in CENSUS for every day where
> the individuals are in the wrong group.
>
It is definitely some of Susan's data, and there is definitely a row in
census for every day.
>
> Interpolation won't put an individual in a group more
> than 14 days away from a census date. The only way to have
> this happen is to use the "old style" status values and
> put a row in CENSUS for every day. The "old style" as
> well as the manual (M) Status don't interpolate at all.
>
> See the documentation on CENSUS.Status values. (And of course
> the mongo chapter on interpolation.)
>
I looked over this, but it still wasn't clear what the exact solution to my
problem was.
>
> IIRC Daphnie (sp?) also put in some manual (M) values to
> do interpolation manually back in Babase 1.0 when interpolation
> was not doing the right thing. These may not be "right".
>
> Really the "old style" census codes (taken directly from
> Susan's male data for SPSS (I think) in punchcard format
> (IIRC) should probably be reviewed and removed from the
> data.
>
This is definitely on our list of projects... entry is a hurdle (but we are
overcoming in) as well as figuring out the fissions. All in progress.
>
> Karl <kop at meme.com>
> Free Software: "You don't pay back, you pay forward."
> -- Robert A. Heinlein
>
>
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>
--
- -
Lacey K. Maryott Roerish
Alberts Lab
Department of Biology
Duke University
ph: 919-660-7306
fax: 919-660-7293
Lacey.Maryott at duke.edu
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