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I am trying to import data from Excel 2007 (.xlsx) in a program. Is there a way to only import only the first three columns (or a certain range) in command mode?

Does this seem reasonable?

@signal y = sv1 + [var=c(1)]
@state sv1 = c(2) + c(3)*z + [var=c(4)]

since x is unknown at the current point in time, it is not included, although I can use it to estimate the coefficients above... is that correct?

Ok, say I have the true value of something but only through last year. Call the series x. I have two independent estimates for this year, y and z. Can you please provide the simple code to set up the state space model? I am looking for something like: @state [please fill in] @signal [please fill in]...

I believe I have basically the same question. I have a value that I am trying to estimate using two separate measurements. The true value won't be known until sometime in the future. How do I combine the two estimates in a state space model in Eviews to get a better approximation of the actual value...