On Tue, 3 May 2011, Qi Shi wrote:
 when i define a lagged variable of one variable, say "x",
it hides in
 x, it does not exist in the regression panel.  what can i do to fix
 it? 
Use the "lags" button in the model specification window.
If you want a lag to show up as a variable in its own right,
define it manually, as in
lag1x = x(-1)
Allin Cottrell