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2009 Nov 16
2
^ operator
Hi,
I want to apply ^ operator to a vector but it is applied to some of the elements correctly and to some others, it generates NaN. Why is it not able to calculate -6.108576e-05^(1/3) even though it exists?
tmp
[1] -6.108576e-05 4.208762e-05 3.547092e-05 7.171101e-04 -1.600269e-03
> tmp^(1/3)
[1] NaN 0.03478442 0.03285672 0.08950802 NaN
> -6.108576e-05^(1/3)
[1]