On Wed, Oct 28, 2009 at 12:40 PM, Adaikalavan Ramasamy
wrote:
> Your example is too complicated for me. But few points:
>
> 1) What do you mean by "instrument"? Do you mean variable?
>
By instruments, I mean instrumental variables. Very common in
econometrics: http://en.wikipedia.org/wiki/Instru
Your example is too complicated for me. But few points:
1) What do you mean by "instrument"? Do you mean variable?
2) diff(demand) is identical to demand[-1] - demand[-204]
3) system() is a built-in R function, so avoid using it as variable name
4) The variable "yd" is in the eqInvest formula
Hello all,
I hope this question is appropriate for this ML.
Basically, I am wondering if when you create a new variable, if the
variable holds some information about how it was created.
Let me explain, I have the following code to replicate an example in a
textbook (Greene's Econometric Analysis
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