[R] Calculation of Age heaping
Md. Moyazzem Hossain
ho@@@|nmm @end|ng |rom jun|v@edu
Tue Aug 10 10:33:48 CEST 2021
Dear Richard O'Keefe,
Thank you very much.
Take care.
Md
On Tue, Aug 10, 2021 at 8:33 AM Richard O'Keefe <raoknz using gmail.com> wrote:
> If you want to look at each digit, you should take a step back and
> think about what the
> Whipple index is actually doing. Basically, the model underlying the
> Whipple index is
> that Pr(age = xy) = Pr(age = x*)Pr(age = *y) if there is no age
> heaping. Or rather,
> since the age is restricted to 23..62 (a whole number of decades), it is
> that
> Pr(age - 23 = xy) = Pr(age - 23 = x*)Pr(age - 23 = *y) for 0 <= x <=
> 3, 0 <= y <= 9
> and the "nothing to see here" case is Pr(age = *y) = 1/10.
>
> I wasted way too much time trying to find a free age data set where
> age *wasn't* already
> grouped into 5 year bands.
>
> So what's wrong with a chi-square test?
> I would certainly want to check whether the high and low digits of age
> - 23 were in fact independent.
>
> On Mon, 9 Aug 2021 at 23:48, Md. Moyazzem Hossain <hossainmm using juniv.edu>
> wrote:
> >
> > Dear Greg,
> >
> > Thank you very much for your suggestion. I will try it and follow your
> > advice.
> >
> > Actually, I want to find out the index for each digit like 0, 1, ..., 9.
> >
> > Thanks in advance. Take care.
> >
> > Md
> >
> >
> >
> > On Mon, Aug 9, 2021 at 12:05 PM Greg Minshall <minshall using umich.edu>
> wrote:
> >
> > > Md,
> > >
> > > if this is what you are looking for:
> > > ----
> > > https://en.wikipedia.org/wiki/Whipple%27s_index
> > > ----
> > >
> > > then, the article says the algorithm is
> > > ----
> > > The index score is obtained by summing the number of persons in the age
> > > range 23 and 62 inclusive, who report ages ending in 0 and 5, dividing
> > > that sum by the total population between ages 23 and 62 years
> inclusive,
> > > and multiplying the result by 5. Restated as a percentage, index scores
> > > range between 100 (no preference for ages ending in 0 and 5) and 500
> > > (all people reporting ages ending in 0 and 5).
> > > ----
> > >
> > > that seems fairly straight forward. if you are trying to learn R,
> > > and/or learn programming, i might suggest you *not* use a package, and
> > > rather work on coding up the calculation yourself. that would probably
> > > be a good, but not too hard, exercise, of some interest. enjoy!
> > >
> > > cheers, Greg
> > >
> > >
> >
> > --
> > Best Regards,
> > Md. Moyazzem Hossain
> > Associate Professor
> > Department of Statistics
> > Jahangirnagar University
> > Savar, Dhaka-1342
> > Bangladesh
> > Website: http://www.juniv.edu/teachers/hossainmm
> > Research: *Google Scholar
> > <https://scholar.google.com/citations?user=-U03XCgAAAAJ&hl=en&oi=ao>*;
> > *ResearchGate
> > <https://www.researchgate.net/profile/Md_Hossain107>*; *ORCID iD
> > <https://orcid.org/0000-0003-3593-6936>*
> >
> > [[alternative HTML version deleted]]
> >
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>
--
Best Regards,
Md. Moyazzem Hossain
Associate Professor
Department of Statistics
Jahangirnagar University
Savar, Dhaka-1342
Bangladesh
Website: http://www.juniv.edu/teachers/hossainmm
Research: *Google Scholar
<https://scholar.google.com/citations?user=-U03XCgAAAAJ&hl=en&oi=ao>*;
*ResearchGate
<https://www.researchgate.net/profile/Md_Hossain107>*; *ORCID iD
<https://orcid.org/0000-0003-3593-6936>*
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