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Re: st: Binning question


From   "Samuel R. Lucas" <lucaselastic@gmail.com>
To   statalist@hsphsun2.harvard.edu
Subject   Re: st: Binning question
Date   Mon, 1 Aug 2011 08:55:09 -0700

Why not try -kdensity-?

Take care.
Sam

On Mon, Aug 1, 2011 at 4:35 AM,  <mcross@exemail.com.au> wrote:
> Thanks Nick,
>
> I have some 300 size values that need binning for each of my 96 smpls.
> With so many categories - the equal-width bin method will end up splitting
> certain observations into separate bins (so for example; 39.27 might end
> up in one bin, while 39.38 might end up in the next bin) depending on
> where the bin range ends.
>
> I was hoping for some code that might recognize certain size values as
> belonging to the same distribution and bin them as such.
>
> Hopefully someone might suggest some code to help me bin this data.
>
> Cheers,
>
> Mike.
>
>
>
>
> Much easier and clearer just to use equal-width bins.
>
> Nick
>
> On Sat, Jul 30, 2011 at 10:14 PM,  <mcross@exemail.com.au> wrote:
>
> (Stata version 8)
>
> Statalisters,
>
> I’m collecting various size measurements from multiple samples…
>
> Smpl   Size
> 01   39.38
> 01   45.26
> 01   48.81
> 02   39.27
> 02   45.28
> 02   48.94
>
> Size is normally distributed and the variance is small. I want to bin my
> sizes into categories (eg “39”, “45” and “49”), for further analysis.
> I’d like to define the range for each category by using the SD of each set
> of size observations - eg the SD of (39.38 and 39.27).
>
>
>
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