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6 results for “from:Owen Powell”

problem with "dynformula" from "plm" package
Owen Powell · Nov 27, 2009 · r-help

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joint estimation of two poisson equations
Owen Powell · Apr 13, 2009 · r-help

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joint estimation of two poisson equations
Owen Powell · Apr 13, 2009 · r-help

Dear list members, Is there a package somewhere for jointly estimating two poisson processes? I think the closest I've come is using the "SUR" option in the Zelig package (see below), but when I try the "poisson" option instead...

problem with "dynformula" from "plm" package [RE-POST]
Owen Powell · Nov 27, 2009 · r-help

Hello list, I'm following the paper (http://www.jstatsoft.org/v27/i02/paper) on how to use "plm" to run panel regressions, and am having trouble with what I believe should be something very basic. When I run the...

problem with "dynformula" from "plm" package [RE-POST]
Owen Powell · Nov 27, 2009 · r-help

Great! That did the trick, thanks David. To summarize for the list, to get "dynformula" to work (example): R> a = dynformula(emp~wage+capital,log.form=list(capital=FALSE,TRUE),lag.form=list(emp=2,c(2,3)),diff.form...

problem with "dynformula" from "plm" package [RE-POST]
Owen Powell · Nov 27, 2009 · r-help

Hi David, Thank you for the response. I forgot to mention that I'd already tried what (I think) you propose (adding ".form" to the end of the "lag", "log" and "diff") and I still see the same results (posted...

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