Tukey Lambda - Key Values
Distribution (lambda)	Correlation
Approx. Cauchy (lambda=-1)	0.55519559945364
Exact Logistic (lambda=0)	0.944965132167657
Approx. Normal (lambda=0.14)	0.959364777685903
U-shaped (lambda=0.5)	0.972030862563805
Exactly Uniform (lambda=1)	0.971765342085316