| Box-Cox Normality Plot | |
| # observations x | 177 |
| maximum correlation | 0.8900263037524 |
| optimal lambda | 0.03 |
| transformation formula | for all lambda <> 0 : T(Y) = (Y^lambda - 1) / lambda |
| Maximum Likelihood Estimation of Lambda |
> summary(mypT)
bcPower Transformation to Normality
Est Power Rounded Pwr Wald Lwr bnd Wald Upr Bnd
x -0.8849 -1 -1.253 -0.5169
Likelihood ratio tests about transformation parameters
LRT df pval
LR test, lambda = (0) 25.29558 1 4.918345e-07
LR test, lambda = (1) 127.62599 1 0.000000e+00
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