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cuberoot
2005 Jul 12
5
R: to the power
hi all
why does R do this:
(-8)^(1/3)=NaN
the answer should be : -2
a silly question but i kept on getting errors in some of my code due to this
problem.
i solve the problem as follows:
say we want : (-a)^(1/3)
then : sign(a)*(a^(1/3)) works
but there has to be a simpler way of soing such a simple mathematical operation.
thanking you
/
allan