st: Missing results in XTTOBIT regressions

From	"naim cordemans" <[email protected]>
To	[email protected]
Subject	st: Missing results in XTTOBIT regressions
Date	Tue, 22 Aug 2006 09:12:54 +0000

What does it mean when results are missing and replaced by dots for some variables in XTTOBIT regressions ?

Thanks a lot

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References:
- st: xttobit
  - From: "naim cordemans" <[email protected]>