Tukey Lambda - Key Values
Distribution (lambda)	Correlation
Approx. Cauchy (lambda=-1)	0.49086883714139
Exact Logistic (lambda=0)	0.943223383171998
Approx. Normal (lambda=0.14)	0.952135428308796
U-shaped (lambda=0.5)	0.95329191960195
Exactly Uniform (lambda=1)	0.946349357128563