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In R using the plm package, pwfdtest produces an error message even with the test data:
pwfdtest(log(emp) ~ log(wage) + log(capital), data = EmplUK, h0 = "fe")

Error message:

"Error in order(nchar(cnames), decreasing = TRUE) : 4 arguments passed to .Internal(nchar) which requires 3".

Bug or am I missing something?

Domysee
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Michael Troege
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1 Answers1

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I had a similar question myself with a similar test (linearHypothesis). Apparently the nchar function changed, so you need to install the newest version of R and then update all your packages. After re-installing R,

update.packages(checkBuilt=TRUE, ask=FALSE)
Community
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Garret C
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