I am posting this again because I think it did not work the first time.
Dear Tamas
Below you will find the relevant part of the log file. If you need more
information on the problem please let me know.
Thanks a lot for your help
Adrian
Adrian Gonzalez-Gonzalez <[email protected]> asks:
> I am constraining the coefficients of some explanatory variables
> to be zero
> in a Multinomial model. After that, when I use margin I get the
> followingerror (program below):
> conformability error
> r(503);
>
> Margin works fine without the constraint option in mlogit. I want
> to know if there is any way to overcome this problem with margin.
. cons 1 [1]: Minutes
. cons 2 [2]: Minutes
. cons 3 [3]: Minutes
. cons 4 [1]: Xpec_95
. cons 5 [2]: Xpec_95
. cons 6 [3]: Xpec_95
.
. mlogit ralt Years Lenders_* Xpec_95 Sho* Minutes Savings
HC Diver Meals Com
> mercial s_Sol s_Andes st_ComBank st_CON a_* , base(0)
tolerance(1e-8) nolog constraint(1
> -6)
Multinomial logistic regression Number of obs =
1095
(coefficient tolerance 1.00e-08) LR chi2(78) =
330.56
Prob > chi2 =
0.0000
Log likelihood = -1485.4035 Pseudo R2 =
0.1001
( 1) [0 Some]Minutes = 0
( 2) [- None]Minutes = 0
( 3) [- Some]Minutes = 0
( 4) [0 Some]Xpec_95 = 0
( 5) [- None]Xpec_95 = 0
( 6) [- Some]Xpec_95 = 0
----------------------------------------------------------------------------
--
ralt | Coef. Std. Err. z P>|z| [95% Conf.
Interval]
-------------+--------------------------------------------------------------
--
0 Some |
Years_active | .0582555 .112787 0.52 0.605 -.1628029
.2793139
Lenders_98 | -.019533 .1541225 -0.13 0.899 -.3216075
.2825414
Lenders_99 | -.074659 .1500681 -0.50 0.619 -.3687871
.2194691
Xpec_95 | (dropped)
Shocks_98 | 1.681319 .5614823 2.99 0.003 .5808336
2.781804
Shocks_99 | .0662105 .2956169 0.22 0.823 -.513188
.6456089
Shocks_00 | .5112095 .2349184 2.18 0.030 .050778
.971641
Minutes | (dropped)
Savings | -.1212429 .1902937 -0.64 0.524 -.4942118
.251726
HC_percapita | -.0534941 .0356075 -1.50 0.133 -.1232835
.0162953
Diversific~n | -.0920401 .1277774 -0.72 0.471 -.3424791
.1583989
Meals | -.2311227 .1274303 -1.81 0.070 -.4808815
.018636
Commercial | .7898641 .2408085 3.28 0.001 .3178881
1.26184
s_Sol | .0896783 .2517549 0.36 0.722 -.4037523
.5831089
s_Andes | -.5438456 .3763749 -1.44 0.148 -1.281527
.1938356
st_ComBank | .2640941 .3018811 0.87 0.382 -.327582
.8557702
st_CONS | -.1978652 .2824601 -0.70 0.484 -.7514767
.3557463
a_Cbba | .220727 .2956641 0.75 0.455 -.3587639
.800218
a_El_Alto | .5091531 .2723192 1.87 0.062 -.0245828
1.042889
a_La_Paz | 1.220488 .3191632 3.82 0.000 .5949394
1.846036
a_Oruro | .4828731 .4694661 1.03 0.304 -.4372635
1.40301
_cons | .9163165 .5667328 1.62 0.106 -.1944593
2.027092
-------------+--------------------------------------------------------------
--
- None |
Years_active | -.0571358 .1515834 -0.38 0.706 -.3542338
.2399622
Lenders_98 | .148717 .1835157 0.81 0.418 -.2109671
.5084011
Lenders_99 | .3554579 .1849614 1.92 0.055 -.0070598
.7179756
Xpec_95 | (dropped)
Shocks_98 | 1.82865 .6254461 2.92 0.003 .602798
3.054502
Shocks_99 | -.4582046 .4026359 -1.14 0.255 -1.247356
.3309473
Shocks_00 | .6795599 .3265927 2.08 0.037 .03945
1.31967
Minutes | (dropped)
Savings | .3821923 .2787452 1.37 0.170 -.1641383
.9285229
HC_percapita | -.0876023 .0529699 -1.65 0.098 -.1914215
.0162168
Diversific~n | -.1723209 .1777351 -0.97 0.332 -.5206752
.1760335
Meals | -.2435883 .1966397 -1.24 0.215 -.6289951
.1418186
Commercial | .1774541 .3376706 0.53 0.599 -.4843682
.8392764
s_Sol | -.1034749 .3722126 -0.28 0.781 -.8329982
.6260485
s_Andes | -.1555108 .5402949 -0.29 0.773 -1.214469
.9034478
st_ComBank | -1.06083 .688097 -1.54 0.123 -2.409476
.2878151
st_CONS | .2715307 .3500501 0.78 0.438 -.4145548
.9576162
a_Cbba | -1.693176 .5931578 -2.85 0.004 -2.855743
-.5306077
a_El_Alto | -.5269323 .3966619 -1.33 0.184 -1.304375
.2505108
a_La_Paz | .1846962 .4263213 0.43 0.665 -.6508783
1.020271
a_Oruro | .6887172 .557062 1.24 0.216 -.4031042
1.780539
_cons | .2651292 .8413033 0.32 0.753 -1.383795
1.914053
-------------+--------------------------------------------------------------
--
- Some |
Years_active | .0985826 .1155389 0.85 0.394 -.1278695
.3250346
Lenders_98 | .0000276 .1610654 0.00 1.000 -.3156547
.31571
Lenders_99 | .1060443 .1509968 0.70 0.482 -.1899039
.4019925
Xpec_95 | (dropped)
Shocks_98 | 1.335496 .5757296 2.32 0.020 .2070867
2.463905
Shocks_99 | .2835631 .291261 0.97 0.330 -.2872981
.8544242
Shocks_00 | .7343919 .2420185 3.03 0.002 .2600443
1.208739
Minutes | (dropped)
Savings | -.1873425 .2022542 -0.93 0.354 -.5837535
.2090685
HC_percapita | -.0435845 .0374755 -1.16 0.245 -.1170352
.0298662
Diversific~n | .0852393 .1326469 0.64 0.520 -.1747439
.3452225
Meals | -.1012533 .1346608 -0.75 0.452 -.3651836
.162677
Commercial | .4893479 .257162 1.90 0.057 -.0146802
.9933761
s_Sol | .5659261 .2595453 2.18 0.029 .0572266
1.074626
s_Andes | .4018979 .3695319 1.09 0.277 -.3223714
1.126167
st_ComBank | -.9365005 .3905081 -2.40 0.016 -1.701882
-.1711186
st_CONS | .3628787 .2837237 1.28 0.201 -.1932096
.918967
a_Cbba | .6032918 .3009157 2.00 0.045 .0135079
1.193076
a_El_Alto | .5227558 .2812196 1.86 0.063 -.0284244
1.073936
a_La_Paz | .441362 .3424304 1.29 0.197 -.2297892
1.112513
a_Oruro | .6394419 .4867045 1.31 0.189 -.3144813
1.593365
_cons | -.4507081 .6007765 -0.75 0.453 -1.628208
.7267922
-------------+--------------------------------------------------------------
--
More 30 |
Years_active | .4993725 .1450233 3.44 0.001 .215132
.783613
Lenders_98 | .4776324 .167805 2.85 0.004 .1487407
.806524
Lenders_99 | .3273324 .1691395 1.94 0.053 -.004175
.6588397
Xpec_95 | -.9274861 .2930325 -3.17 0.002 -1.501819
-.353153
Shocks_98 | 1.682401 .5911592 2.85 0.004 .52375
2.841052
Shocks_99 | -.1132172 .3328221 -0.34 0.734 -.7655366
.5391023
Shocks_00 | .7222475 .2819085 2.56 0.010 .169717
1.274778
Minutes | .0854093 .0229691 3.72 0.000 .0403907
.1304279
Savings | -.6984501 .2513049 -2.78 0.005 -1.190999
-.2059014
HC_percapita | -.0261392 .0447708 -0.58 0.559 -.1138884
.06161
Diversific~n | -.0127777 .1575759 -0.08 0.935 -.3216207
.2960654
Meals | -.2029651 .1625774 -1.25 0.212 -.521611
.1156808
Commercial | .6427312 .2904905 2.21 0.027 .0733803
1.212082
s_Sol | -.102539 .3221254 -0.32 0.750 -.7338933
.5288152
s_Andes | -.070679 .4488431 -0.16 0.875 -.9503953
.8090373
st_ComBank | -1.555873 .6674462 -2.33 0.020 -2.864044
-.2477028
st_CONS | .534665 .308369 1.73 0.083 -.0697273
1.139057
a_Cbba | -.0221276 .3688144 -0.06 0.952 -.7449905
.7007353
a_El_Alto | -.3582093 .3493372 -1.03 0.305 -1.042898
.3264791
a_La_Paz | .1724722 .3925242 0.44 0.660 -.5968611
.9418056
a_Oruro | 1.047995 .5057805 2.07 0.038 .0566829
2.039306
_cons | -1.389796 .7271232 -1.91 0.056 -2.814932
.0353391
----------------------------------------------------------------------------
--
(Outcome ralt==0 None is the comparison group)
. margin, count percent
conformability error
r(503);
end of do-file
r(503);
*
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