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neagtive
2009 Jul 18
7
(-8)^(1/3) == NaN?
Why does the expression "(-8)^(1/3)" return NaN, instead of -2?
This is not answered by http://cran.r-project.org/doc/FAQ/R-FAQ.html#Why-are-powers-of-negative-numbers-wrong_003f
Thanks,
Dave
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