Tukey Lambda - Key Values
Distribution (lambda)	Correlation
Approx. Cauchy (lambda=-1)	0.7228477054084
Exact Logistic (lambda=0)	0.994275874459785
Approx. Normal (lambda=0.14)	0.996593505259143
U-shaped (lambda=0.5)	0.98920012021177
Exactly Uniform (lambda=1)	0.977749556609357