Value of $\lambda$

Estimated measure

Standard error

Confidence interval

−0.5

0.147

0.013

(0.122, 0.173)

0

0.225

0.018

(0.189, 0.260)

1.0

0.282

0.021

(0.241, 0.322)

1.5

0.286

0.021

(0.245, 0.327)