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Re: st: Binning question

From   [email protected]
To   [email protected]
Subject   Re: st: Binning question
Date   Mon, 1 Aug 2011 21:35:33 +1000

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.



Much easier and clearer just to use equal-width bins.


On Sat, Jul 30, 2011 at 10:14 PM,  <[email protected]> wrote:

(Stata version 8)


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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