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Re: st: predict


From   Chiara Mussida <[email protected]>
To   [email protected]
Subject   Re: st: predict
Date   Thu, 2 Jun 2011 18:08:51 +0200

Dear Richard and you All,
I simply want the coefficients (of my covariates) which allow me to
get the predicted outcome of each equation of my MNL.

example: I get a predicted probability (say to move from employment to
unemployment) of 0.4:
what is the contribution (numerical) of each covariate I included in
my equation (suc as sex, individual age, etc.). Is it given by the
exponential of the coef I find in the STATA output? therefore by
summing/subtracting the exp of each coef I get my predicted of 0.4
(but there is also a standard error)

many thanks
C

On 2 June 2011 17:08, Richard Williams <[email protected]> wrote:
> At 07:41 AM 6/2/2011, Chiara Mussida wrote:
>>
>> Deal All,
>> I run mlogit estimates and thereafter the predict command to get the
>> predcted outcomes from the equations.
>> Is there the possibility to obtain the fitted values of the
>> coefficients of each covariate which determinne each predicted
>> outcome?
>>
>> Thanks,
>> Chiara
>
> I don't understand the question Chiara. Are you saying that, for each case,
> you want X1B1, X2B2, etc.? Or what? Maybe you could give an example of what
> you are after.
>
> If you just want the coefficients, they are ereturned as e(b). If you want
> to do something with them, you could first do something like
>
> mat bmat = e(b)
>
> and then manipulate bmat as you wished.
>
>
> -------------------------------------------
> Richard Williams, Notre Dame Dept of Sociology
> OFFICE: (574)631-6668, (574)631-6463
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> EMAIL:  [email protected]
> WWW:    http://www.nd.edu/~rwilliam
>
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>



-- 
Chiara Mussida
PhD candidate
Doctoral school of Economic Policy
Catholic University, Piacenza (Italy)

*
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