[Limdep Nlogit List] order probit marginal effects

Tomas Nilsson tknilsso at gmail.com
Wed Aug 6 03:52:23 EST 2008


Hello Fredrik, et al

I have the same problem (ordered probit - won't compute stats for
marginal effects). Does the update work for NLOGIT?

Cheers,

Tomas

On Wed, Jul 2, 2008 at 4:37 AM, Fredrik Carlsson
<Fredrik.Carlsson at economics.gu.se> wrote:
> I have exactly the same problem, but I'm running Nlogit. The exe-file is therefore called Nlogit.exe, so is there a similar update for Nlogit?
>
> Fredrik
> Fredrik Carlsson
> Professor
> Department of Economics, University of Gothenburg
> Box 640, SE-405 40 Gothenburg, Sweden
> Tel: +46 31 7864174
> Fax: +46 31 7861043
> Mobile: +46 0709 267 097
> Home page:
> http://www.handels.gu.se/econ/fredrik.carlsson/
> ________________________________________
> Från: limdep-bounces at limdep.itls.usyd.edu.au [limdep-bounces at limdep.itls.usyd.edu.au] f&#246;r William Greene [wgreene at stern.nyu.edu]
> Skickat: den 2 juli 2008 04:19
> Till: Limdep and Nlogit Mailing List
> Ämne: Re: [Limdep Nlogit List] order probit marginal effects
>
> If you cannot replicate the following, download the file
> http://www.stern.nyu.edu/~wgreene/limdep9.zip
> and replace your current copy of limdep.exe. (Back up
> your old one. No reinstall, just replace the .exe file.)
> /Bill Greene
>
> --> RESET
> Initializing NLOGIT Version 4.0.3 (March 1, 2008).
> --> samp;1-1000$
> --> crea;x=rnn(0,1);y=rnd(5)-1$
> --> orde;lhs=y;rhs=one,x;mar$
> Normal exit from iterations. Exit status=0.
> +---------------------------------------------+
> | Ordered Probability Model                   |
> | Maximum Likelihood Estimates                |
> | Dependent variable                    Y     |
> | Weighting variable                 None     |
> | Number of observations             1000     |
> | Iterations completed                  7     |
> | Log likelihood function       -1605.182     |
> | Number of parameters                  5     |
> | Info. Criterion: AIC =          3.22036     |
> |   Finite Sample: AIC =          3.22042     |
> | Info. Criterion: BIC =          3.24490     |
> | Info. Criterion:HQIC =          3.22969     |
> | Restricted log likelihood     -1605.191     |
> | McFadden Pseudo R-squared      .0000057     |
> | Chi squared                    .1825517E-01 |
> | Degrees of freedom                    1     |
> | Prob[ChiSqd > value] =         .8925236     |
> | Model estimated: Jul 01, 2008, 10:16:57PM   |
> | Underlying probabilities based on Normal    |
> +---------------------------------------------+
> +--------------------------------------------------------------------+
> |      TABLE OF CELL FREQUENCIES FOR ORDERED PROBABILITY MODEL       |
> +--------------------------------------------------------------------+
> |               Frequency        Cumulative  < =    Cumulative  > =  |
> |Outcome      Count    Percent   Count    Percent   Count    Percent |
> |----------- ------- ---------  ------- ---------  ------- --------- |
> |Y=00            197   19.7000      197   19.7000     1000  100.0000 |
> |Y=01            200   20.0000      397   39.7000      803   80.3000 |
> |Y=02            232   23.2000      629   62.9000      603   60.3000 |
> |Y=03            197   19.7000      826   82.6000      371   37.1000 |
> |Y=04            174   17.4000     1000  100.0000      174   17.4000 |
> +--------------------------------------------------------------------+
>
>
> +--------+--------------+----------------+--------+--------+----------+
> |Variable| Coefficient  | Standard Error |b/St.Er.|P[|Z|>z]| Mean of X|
> +--------+--------------+----------------+--------+--------+----------+
> +--------+Index function for probability                              |
> |Constant|     .85234***       .03541933    24.064   .0000            |
> |X       |     .00445          .03293147      .135   .8925    .0170880|
> +--------+Threshold parameters for index                              |
> |Mu(1)   |     .59131***       .03242623    18.236   .0000            |
> |Mu(2)   |    1.18166***       .03742509    31.574   .0000            |
> |Mu(3)   |    1.79090***       .04704372    38.069   .0000            |
> +--------+------------------------------------------------------------+
> | Note: ***, **, * = Significance at 1%, 5%, 10% level.               |
> +---------------------------------------------------------------------+
>
> ========================================================================
> ||Summary of Marginal Effects for Ordered Probability Model (probit)  ||
> ||Effects computed at means.  Effectsfor binary variables are         ||
> ||computed as differences of probabilities, other variables at means. ||
> ========================================================================
> ||         Continuous Variable ONE          Continuous Variable X
> ||       ==============================   ==============================
> Outcome   Effect  dPy<=nn/dX dPy>=nn/dX    Effect  dPy<=nn/dX dPy>=nn/dX
> =======  ==============================   ==============================
> Y = 00     .00000     .00000     .00000    -.00123    -.00123     .00000
> Y = 01     .00000     .00000     .00000    -.00048    -.00172     .00123
> Y = 02     .00000     .00000     .00000     .00003    -.00168     .00172
> Y = 03     .00000     .00000     .00000     .00054    -.00114     .00168
> Y = 04     .00000     .00000     .00000     .00114     .00000     .00114
> ========================================================================
> +---------------------------------------------------------------------------+
> |   Cross tabulation of predictions. Row is actual, column is predicted.    |
> |   Model = Probit    .  Prediction is number of the most probable cell.    |
> +-------+-------+-----+-----+-----+-----+-----+-----+-----+-----+-----+-----+
> | Actual|Row Sum|  0  |  1  |  2  |  3  |  4  |  5  |  6  |  7  |  8  |  9  |
> +-------+-------+-----+-----+-----+-----+-----+-----+-----+-----+-----+-----+
> |      0|    197|    0|    0|  197|    0|    0|
> |      1|    200|    0|    0|  200|    0|    0|
> |      2|    232|    0|    0|  232|    0|    0|
> |      3|    197|    0|    0|  197|    0|    0|
> |      4|    174|    0|    0|  174|    0|    0|
> +-------+-------+-----+-----+-----+-----+-----+-----+-----+-----+-----+-----+
> |Col Sum|   1000|    0|    0| 1000|    0|    0|    0|    0|    0|    0|    0|
> +-------+-------+-----+-----+-----+-----+-----+-----+-----+-----+-----+-----+
>
> NOW WITH FULL OUTPUT....
>
> --> orde;lhs=y;rhs=one,x;mar;full$
> Normal exit from iterations. Exit status=0.
> +---------------------------------------------+
> | Ordered Probability Model                   |
> | Maximum Likelihood Estimates                |
> | Dependent variable                    Y     |
> | Weighting variable                 None     |
> | Number of observations             1000     |
> | Iterations completed                  7     |
> | Log likelihood function       -1605.182     |
> | Number of parameters                  5     |
> | Info. Criterion: AIC =          3.22036     |
> |   Finite Sample: AIC =          3.22042     |
> | Info. Criterion: BIC =          3.24490     |
> | Info. Criterion:HQIC =          3.22969     |
> | Restricted log likelihood     -1605.191     |
> | McFadden Pseudo R-squared      .0000057     |
> | Chi squared                    .1825517E-01 |
> | Degrees of freedom                    1     |
> | Prob[ChiSqd > value] =         .8925236     |
> | Model estimated: Jul 01, 2008, 10:17:22PM   |
> | Underlying probabilities based on Normal    |
> +---------------------------------------------+
> +--------------------------------------------------------------------+
> |      TABLE OF CELL FREQUENCIES FOR ORDERED PROBABILITY MODEL       |
> +--------------------------------------------------------------------+
> |               Frequency        Cumulative  < =    Cumulative  > =  |
> |Outcome      Count    Percent   Count    Percent   Count    Percent |
> |----------- ------- ---------  ------- ---------  ------- --------- |
> |Y=00            197   19.7000      197   19.7000     1000  100.0000 |
> |Y=01            200   20.0000      397   39.7000      803   80.3000 |
> |Y=02            232   23.2000      629   62.9000      603   60.3000 |
> |Y=03            197   19.7000      826   82.6000      371   37.1000 |
> |Y=04            174   17.4000     1000  100.0000      174   17.4000 |
> +--------------------------------------------------------------------+
>
>
> +--------+--------------+----------------+--------+--------+----------+
> |Variable| Coefficient  | Standard Error |b/St.Er.|P[|Z|>z]| Mean of X|
> +--------+--------------+----------------+--------+--------+----------+
> +--------+Index function for probability                              |
> |Constant|     .85234***       .03541933    24.064   .0000            |
> |X       |     .00445          .03293147      .135   .8925    .0170880|
> +--------+Threshold parameters for index                              |
> |Mu(1)   |     .59131***       .03242623    18.236   .0000            |
> |Mu(2)   |    1.18166***       .03742509    31.574   .0000            |
> |Mu(3)   |    1.79090***       .04704372    38.069   .0000            |
> +--------+------------------------------------------------------------+
> | Note: ***, **, * = Significance at 1%, 5%, 10% level.               |
> +---------------------------------------------------------------------+
>
> ========================================================================
> ||Summary of Marginal Effects for Ordered Probability Model (probit)  ||
> ||Effects computed at means.  Effectsfor binary variables are         ||
> ||computed as differences of probabilities, other variables at means. ||
> ========================================================================
> ||         Continuous Variable ONE          Continuous Variable X
> ||       ==============================   ==============================
> Outcome   Effect  dPy<=nn/dX dPy>=nn/dX    Effect  dPy<=nn/dX dPy>=nn/dX
> =======  ==============================   ==============================
> Y = 00     .00000     .00000     .00000    -.00123    -.00123     .00000
> Y = 01     .00000     .00000     .00000    -.00048    -.00172     .00123
> Y = 02     .00000     .00000     .00000     .00003    -.00168     .00172
> Y = 03     .00000     .00000     .00000     .00054    -.00114     .00168
> Y = 04     .00000     .00000     .00000     .00114     .00000     .00114
> ========================================================================
>
> +----------------------------------------------------+
> | Marginal effects for ordered probability model     |
> | These are the effects on Prob[Y=00] at means.      |
> | M.E.s for dummy variables are Pr[y|x=1]-Pr[y|x=0]  |
> | Names for dummy variables are marked by *.         |
> +----------------------------------------------------+
> +--------+--------------+----------------+--------+--------+----------+
> |Variable| Coefficient  | Standard Error |b/St.Er.|P[|Z|>z]| Mean of X|
> +--------+--------------+----------------+--------+--------+----------+
> |Constant|       .000***    ......(Fixed Parameter).......            |
> |X       |    -.00123          .00913588     -.135   .8925    .0170880|
> +--------+------------------------------------------------------------+
> | Note: ***, **, * = Significance at 1%, 5%, 10% level.               |
> +---------------------------------------------------------------------+
> |Fixed Parameter... indicates a parameter that is constrained to equal|
> |a fixed value (e.g., 0) or a serious estimation problem. If you did  |
> |not impose a restriction on the parameter, check for previous errors.|
> +---------------------------------------------------------------------+
>
>
> +----------------------------------------------------+
> | Marginal effects for ordered probability model     |
> | These are the effects on Prob[Y=01] at means.      |
> | M.E.s for dummy variables are Pr[y|x=1]-Pr[y|x=0]  |
> | Names for dummy variables are marked by *.         |
> +----------------------------------------------------+
> +--------+--------------+----------------+--------+--------+----------+
> |Variable| Coefficient  | Standard Error |b/St.Er.|P[|Z|>z]| Mean of X|
> +--------+--------------+----------------+--------+--------+----------+
> |Constant|       .000       ......(Fixed Parameter).......            |
> |X       |    -.00048          .00356178     -.135   .8925    .0170880|
> +--------+------------------------------------------------------------+
> | Note: ***, **, * = Significance at 1%, 5%, 10% level.               |
> +---------------------------------------------------------------------+
> |Fixed Parameter... indicates a parameter that is constrained to equal|
> |a fixed value (e.g., 0) or a serious estimation problem. If you did  |
> |not impose a restriction on the parameter, check for previous errors.|
> +---------------------------------------------------------------------+
>
>
> +----------------------------------------------------+
> | Marginal effects for ordered probability model     |
> | These are the effects on Prob[Y=02] at means.      |
> | M.E.s for dummy variables are Pr[y|x=1]-Pr[y|x=0]  |
> | Names for dummy variables are marked by *.         |
> +----------------------------------------------------+
> +--------+--------------+----------------+--------+--------+----------+
> |Variable| Coefficient  | Standard Error |b/St.Er.|P[|Z|>z]| Mean of X|
> +--------+--------------+----------------+--------+--------+----------+
> |Constant|       .000       ......(Fixed Parameter).......            |
> |X       | .34163D-04          .00025549      .134   .8936    .0170880|
> +--------+------------------------------------------------------------+
> | Note: nnnnn.D-xx or D+xx => multiply by 10 to -xx or +xx.           |
> | Note: ***, **, * = Significance at 1%, 5%, 10% level.               |
> +---------------------------------------------------------------------+
> |Fixed Parameter... indicates a parameter that is constrained to equal|
> |a fixed value (e.g., 0) or a serious estimation problem. If you did  |
> |not impose a restriction on the parameter, check for previous errors.|
> +---------------------------------------------------------------------+
>
>
> +----------------------------------------------------+
> | Marginal effects for ordered probability model     |
> | These are the effects on Prob[Y=03] at means.      |
> | M.E.s for dummy variables are Pr[y|x=1]-Pr[y|x=0]  |
> | Names for dummy variables are marked by *.         |
> +----------------------------------------------------+
> +--------+--------------+----------------+--------+--------+----------+
> |Variable| Coefficient  | Standard Error |b/St.Er.|P[|Z|>z]| Mean of X|
> +--------+--------------+----------------+--------+--------+----------+
> |Constant|       .000       ......(Fixed Parameter).......            |
> |X       |     .00054          .00398773      .135   .8926    .0170880|
> +--------+------------------------------------------------------------+
> | Note: ***, **, * = Significance at 1%, 5%, 10% level.               |
> +---------------------------------------------------------------------+
> |Fixed Parameter... indicates a parameter that is constrained to equal|
> |a fixed value (e.g., 0) or a serious estimation problem. If you did  |
> |not impose a restriction on the parameter, check for previous errors.|
> +---------------------------------------------------------------------+
>
>
> +----------------------------------------------------+
> | Marginal effects for ordered probability model     |
> | These are the effects on Prob[Y=04] at means.      |
> | M.E.s for dummy variables are Pr[y|x=1]-Pr[y|x=0]  |
> | Names for dummy variables are marked by *.         |
> +----------------------------------------------------+
> +--------+--------------+----------------+--------+--------+----------+
> |Variable| Coefficient  | Standard Error |b/St.Er.|P[|Z|>z]| Mean of X|
> +--------+--------------+----------------+--------+--------+----------+
> |Constant|       .000       ......(Fixed Parameter).......            |
> |X       |     .00114          .00845751      .135   .8925    .0170880|
> +--------+------------------------------------------------------------+
> | Note: ***, **, * = Significance at 1%, 5%, 10% level.               |
> +---------------------------------------------------------------------+
> |Fixed Parameter... indicates a parameter that is constrained to equal|
> |a fixed value (e.g., 0) or a serious estimation problem. If you did  |
> |not impose a restriction on the parameter, check for previous errors.|
> +---------------------------------------------------------------------+
>
> +---------------------------------------------------------------------------+
> |   Cross tabulation of predictions. Row is actual, column is predicted.    |
> |   Model = Probit    .  Prediction is number of the most probable cell.    |
> +-------+-------+-----+-----+-----+-----+-----+-----+-----+-----+-----+-----+
> | Actual|Row Sum|  0  |  1  |  2  |  3  |  4  |  5  |  6  |  7  |  8  |  9  |
> +-------+-------+-----+-----+-----+-----+-----+-----+-----+-----+-----+-----+
> |      0|    197|    0|    0|  197|    0|    0|
> |      1|    200|    0|    0|  200|    0|    0|
> |      2|    232|    0|    0|  232|    0|    0|
> |      3|    197|    0|    0|  197|    0|    0|
> |      4|    174|    0|    0|  174|    0|    0|
> +-------+-------+-----+-----+-----+-----+-----+-----+-----+-----+-----+-----+
> |Col Sum|   1000|    0|    0| 1000|    0|    0|    0|    0|    0|    0|    0|
> +-------+-------+-----+-----+-----+-----+-----+-----+-----+-----+-----+-----+
>
> ----- Original Message -----
> From: "Blane Lewis" <mblewis at indo.net.id>
> To: "Limdep and Nlogit Mailing List" <limdep at limdep.itls.usyd.edu.au>
> Sent: Tuesday, July 1, 2008 8:50:40 PM (GMT-0500) America/New_York
> Subject: Re: [Limdep Nlogit List] order probit marginal effects
>
> Bill,
>
> Thanks for the quick response. It doesn't work, however. (Nor do any of the obvious alternatives: ;output=1,2,3 or full etc).
>
> Any other suggestions?
>
> Thanks,
>
> Blane
>  ----- Original Message -----
>  From: William Greene
>  To: Limdep and Nlogit Mailing List
>  Sent: Tuesday, July 01, 2008 6:16 PM
>  Subject: Re: [Limdep Nlogit List] order probit marginal effects
>
>
>  Blane:  Try adding ;FULL OUTPUT to the ORDERED command.
>  /B. Greene
>
>  ----- Original Message -----
>  From: "Blane Lewis" <mblewis at indo.net.id>
>  To: limdep at limdep.itls.usyd.edu.au
>  Sent: Tuesday, July 1, 2008 6:02:05 AM (GMT-0500) America/Bogota
>  Subject: [Limdep Nlogit List] order probit marginal effects
>
>  Hello Limdepers:
>
>  I'm running an ordered probit model (using Limdep 9.0) and want to get the program to produce detailed information on the marginal effects (as per the example in the manual on page E22-8).
>
>  When I include the command "margins" I get only the summary output, i.e. just the marginal effects of the independent variable for y= 0, 1, 2, and 3 but no standard errors, t stats, etc.
>
>  What command should I use to get the full output?
>
>  Thanks,
>
>  Blane
>  _______________________________________________
>  Limdep site list
>  Limdep at limdep.itls.usyd.edu.au
>  http://limdep.itls.usyd.edu.au
>
>
>  --
>  Professor William Greene
>  Department of Economics
>  Stern School of Business
>  New York University
>  44 West 4th St., Rm. 7-78
>  New York, NY   10012
>  http://www.stern.nyu.edu/~wgreene
>  212.998.0876
>
>  _______________________________________________
>  Limdep site list
>  Limdep at limdep.itls.usyd.edu.au
>  http://limdep.itls.usyd.edu.au
>
> _______________________________________________
> Limdep site list
> Limdep at limdep.itls.usyd.edu.au
> http://limdep.itls.usyd.edu.au
>
>
> --
> Professor William Greene
> Department of Economics
> Stern School of Business
> New York University
> 44 West 4th St., Rm. 7-78
> New York, NY   10012
> http://www.stern.nyu.edu/~wgreene
> 212.998.0876
>
> _______________________________________________
> Limdep site list
> Limdep at limdep.itls.usyd.edu.au
> http://limdep.itls.usyd.edu.au
> _______________________________________________
> Limdep site list
> Limdep at limdep.itls.usyd.edu.au
> http://limdep.itls.usyd.edu.au
>



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