Cluster-Based Pavement Deterioration Models for Low-Volume Rural Roads

Table 15

Deterioration model coefficients for 𝐾-means clusters.

Cluster	𝛽0	𝛽1	𝛽2	𝑅^2
1	−0.395	−1.247	1.020	0.724
2	−1.524	−0.972	1.029	0.823
3	−7.055	−0.566	1.062	0.737
4	2.155	−1.225	0.908	0.737
5	5.159	−1.043	0.927	0.813
Without cluster	−5.635	−0.503	1.001	0.801