Research Article

The Coffee Processing Method Had a More Pronounced Effect than Location and Production Systems on the Overall Quality of Kaffa Biosphere Reserve Coffees

Table 2

Eigenvalues, coordinates, variable contribution, and squared cosine values of active and supplementary group variables.

Dim 1Ctr (%)Cos2Dim 2Ctr (%)Cos2

Variance/Eigenvalue2.001.05
Percent of variance37.0319.36
Cumulative percent of the variance37.0356.39
Active groups
Coffee physical quality0.073.270.000.9186.790.63
Coffee raw quality0.6230.830.310.098.450.01
Coffee cup quality0.3919.390.140.032.700.00
Coffee total and grade0.9346.510.860.022.050.00
Supplementary groups
District0.140.010.280.04
Production system0.240.010.330.01
Processing method0.460.010.600.01
Soil textural class0.090.000.050.00
Soil physical quality0.010.000.020.00
Soil chemical quality0.070.000.140.01

Dim: dimension, Ctr: contribution, Cos2: squared cosine.