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st: error r(111)


From   Chiara Mussida <cmussida@gmail.com>
To   statalist <statalist@hsphsun2.harvard.edu>
Subject   st: error r(111)
Date   Mon, 6 Jun 2011 13:11:37 +0200

Dear All,
by running the example Marteen kindly suggested before I meet the
following error message

. sysuse auto, clear
(1978 Automobile Data)

. recode rep78 1/2=3
(rep78: 10 changes made)

. mlogit rep78 foreign

Iteration 0:   log likelihood = -66.194631
Iteration 1:   log likelihood = -53.222714
Iteration 2:   log likelihood = -52.161019
Iteration 3:   log likelihood = -52.141497
Iteration 4:   log likelihood = -52.141462

Multinomial logistic regression                   Number of obs   =         69
                                                  LR chi2(2)      =      28.11
                                                  Prob > chi2     =     0.0000
Log likelihood = -52.141462                       Pseudo R2       =     0.2123

------------------------------------------------------------------------------
       rep78 |      Coef.   Std. Err.      z    P>|z|     [95% Conf. Interval]
-------------+----------------------------------------------------------------
4            |
     foreign |   2.512306    .763271     3.29   0.001     1.016322    4.008289
       _cons |  -1.413693   .3716695    -3.80   0.000    -2.142152   -.6852345
-------------+----------------------------------------------------------------
5            |
     foreign |   4.016383   .9856285     4.07   0.000     2.084587    5.948179
       _cons |  -2.917771   .7259608    -4.02   0.000    -4.340628   -1.494914
------------------------------------------------------------------------------
(rep78==3 is the base outcome)

. predict double pr*, pr

. gen double xb1 = _b[4:_cons] + _b[4:foreign]*foreign
regressor 4:_cons not found
r(111);

Thanks
C



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