Parameter Estimation for a Class of Lifetime Models

Table 3

Analysis for Marquardt's method.

	Sum of squares	DF	Mean square
Regression	55.235	4	13.809
Residuals	0.325	96	0.003
Total	55.5602	100
𝑅^2 = 1 − (residual sum of squares)/(total) = 0.843.
𝐵=0.973, 𝐴=35616.923, 𝐶=5689.481, and 𝛼=0.633.