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Table 1

Comparison of various linear models

ModelR2RMSEAICBIAS
1995 model (as reported) 0.79 0.089 N/A N/A 
1995 model (new dataset) 0.97* 0.101 N/A +0.050 
Recalibrated linear 29-class 0.97 0.096 −1,767 −0.052 
Linear 30-class 0.97 0.095 −1,797 −0.049 
Capped 30-class 0.97 0.095 −1,776 +0.037 
ModelR2RMSEAICBIAS
1995 model (as reported) 0.79 0.089 N/A N/A 
1995 model (new dataset) 0.97* 0.101 N/A +0.050 
Recalibrated linear 29-class 0.97 0.096 −1,767 −0.052 
Linear 30-class 0.97 0.095 −1,797 −0.049 
Capped 30-class 0.97 0.095 −1,776 +0.037 

AIC and bias not documented for the original 1995 model. A value of R2 for the 1995 model under the new data (denoted by *) is only illustrative, not a true value.

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