In a Box-Cox transformation Y(λ)=Yλ−1λY^{(\lambda)} = \frac{Y^\lambda - 1}{\lambda}Y(λ)=λYλ−1, what transformation is performed when λ=0\lambda = 0λ=0?
Square root transformation: Y\sqrt{Y}Y
Inverse transformation: 1/Y1/Y1/Y
Logarithmic transformation: ln(Y)\ln(Y)ln(Y)
No transformation: YYY