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Re: st: how to group variables into equal number groups


From   Xixi Lin <winnielxx@gmail.com>
To   statalist@hsphsun2.harvard.edu
Subject   Re: st: how to group variables into equal number groups
Date   Tue, 26 Mar 2013 12:34:06 -0400

Thanks Nick,

I will read your paper first and check on my data.

Best,
Xixi Lin

On Tue, Mar 26, 2013 at 12:30 PM, Nick Cox <njcoxstata@gmail.com> wrote:
> -egen, group()- is absolutely no use here. (Your example is illegal,
> but that is not the main point.) It can't possibly improve on -xtile-.
> In fact, no -egen- function can resolve ties.
>
> Nick
>
> On Tue, Mar 26, 2013 at 3:01 PM, Xixi Lin <winnielxx@gmail.com> wrote:
>> Hi Billy,
>>
>> There are some ties for some variables, will that be a big problem?
>>
>> Btw, do you mean egen decile=group(10)?
>>
>> Thanks,
>> Xixi Lin
>>
>> On Tue, Mar 26, 2013 at 10:44 AM, William Buchanan
>> <william@williambuchanan.net> wrote:
>>> Why not use -egen-? Also, are there ties in the values for the variable you are trying to recode?
>>>
>>> HTH,
>>> Billy
>>>
>>> Sent from my iPhone
>>>
>>> On Mar 26, 2013, at 7:30, Xixi Lin <winnielxx@gmail.com> wrote:
>>>
>>>> Hi,
>>>>
>>>> I am trying to make independent variables into decile groups, and I
>>>> used xtile decile=x1 if Period==`z', nq(10); however, it turns out
>>>> that xtile does not make equal number of the 10 groups, is there any
>>>> way to force stata to divide them into equal number of obs or almost
>>>> equal number of obs?
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