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Re: st: RE: difference in number of observation in stata and limdep tobit, probit result


From   Nick Cox <njcoxstata@gmail.com>
To   "statalist@hsphsun2.harvard.edu" <statalist@hsphsun2.harvard.edu>
Subject   Re: st: RE: difference in number of observation in stata and limdep tobit, probit result
Date   Sun, 5 Aug 2012 13:42:16 +0100

This tells us that you have missing values on at least one variable, so I think the only guess possible is that this underlies apparent differences. Otherwise there is no evidence here that Stata and Limdep give different answers to the same question.

Nick

On 5 Aug 2012, at 05:43, Prakash Singh <prakashbhu@gmail.com> wrote:

Nick, here is the situation
I have data with total of 15469 observation now when I am running
probit or tobit is stata and limdep the number of observation in the
output table is coming to be quite different. The number of
observation in limdep is 15469 and in stata it is 5709. Below I am
providing the summary statistics of the variable used in regression.



Variable | Obs Mean Std. Dev. Min Max
-------------+--------------------------------------------------------
FA | 15469 .2967225 .4568279 0 1 SALES | 15469 4459518 2.47e+07 120 1.28e+09
prop_owned~t |      6017    .3051433    .2953013   1.25e-06          1
dacount2 | 15420 .6050584 .488854 0 1 dtype_ent1 | 15469 .0637404 .2442978 0 1
-------------+--------------------------------------------------------
dtype_ent2 | 15469 .4825134 .4997103 0 1
dum_owner_n2 |     15345    .1571848    .3639867          0          1
dum_owner_n3 |     15345    .8165526    .3870455          0          1
dreg2 | 15449 .3852677 .4866742 0 1



Hope I have given sufficient information for getting my query clear.


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