Tukey Lambda - Key Values
Distribution (lambda)	Correlation
Approx. Cauchy (lambda=-1)	0.5016988982975
Exact Logistic (lambda=0)	0.927620139956655
Approx. Normal (lambda=0.14)	0.945094412909074
U-shaped (lambda=0.5)	0.963444463385242
Exactly Uniform (lambda=1)	0.967453845550974