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st: Micombine Logit and Logit for Multiple Imputations
From
Kristen Budd <[email protected]>
To
statalist <[email protected]>
Subject
st: Micombine Logit and Logit for Multiple Imputations
Date
Wed, 29 Sep 2010 16:02:24 -0400
Hi everyone. I am having difficulty with my imputed data set and
standard errors. I conducted multiple imputations (10) using ICE due
to the level of missing data. I get vastly different standard errors
when using the command -- for varlist x1 x2 x3: logit y X -- compared
to when using the command -- for varlist x1 x2 x3: micombine logit y
X. When using "micombine logit" the standard errors are much bigger.
The standard errors should be approximate to each other, but they are
not.
I am not sure why I am encountering this problem. I am working with
STATA 10.1. Any helpful input or ideas would be greatly appreciated.
An example with women is below. Using "logit" the s.e. is 0.104 --
increasing to 0.358 when using the "micombine logit" command.
---------------------------------------------------
Variable | logit mi
-------------+------------------------------------
women | .46984281 .47091965
| .10455369 .35799366
| 0.0000 0.1884
_cons | 2.1079187 2.1025736
| .06864507 .23416615
| 0.0000 0.0000
---------------------------------------------------
legend: b/se/p
Best,
Kris
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