# [R] Calculation of Age heaping

Md. Moyazzem Hossain ho@@@|nmm @end|ng |rom jun|v@edu
Mon Aug 9 14:50:39 CEST 2021

```Dear Jim,

Thank you very much for your kind help.

Take care.

Md

On Mon, Aug 9, 2021 at 1:17 PM Jim Lemon <drjimlemon using gmail.com> wrote:

> And if you really don't like programming:
>
> whipple_index<-function(x,td=c(0,5)) {
>  wi<-rep(NA,11)
>  names(wi)<-c(paste0("wi",0:9),"O/all")
>  for(i in 0:9) {
>   ttd<-which((x %% 10) %in% i)
>   wi[i+1]<-length(ttd) * 100/length(x)
>  }
>  ttd<-which((x %% 10) %in% td)
>  wi[11]<-length(ttd) * 100/(length(x)/length(td))
>  return(wi)
> }
>
> I haven't tested this extensively, but it may be helpful. You can
> specify the final digits for the overall test. Select your ages before
> passing them to whipple_index.
>
> Jim
>
> On Mon, Aug 9, 2021 at 9:05 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
> >
> > ______________________________________________
> > R-help using r-project.org mailing list -- To UNSUBSCRIBE and more, see
> > https://stat.ethz.ch/mailman/listinfo/r-help
> http://www.R-project.org/posting-guide.html
> > and provide commented, minimal, self-contained, reproducible code.
>

--
Best Regards,
Md. Moyazzem Hossain
Associate Professor
Department of Statistics
Jahangirnagar University
Savar, Dhaka-1342