Table 8 Cross validation errors for the \(R\lambda _1(G)\) index.

From: Data-driven analysis of chemical graph of carbazole and diketopyrrolopyrrole

Evaluation of predictive model performance for \(\lambda _3(G)\)

Metric

Value

Cross validation MAE

\(1.20 \times 10^{-5}\)

Cross validation MSE

\(1.77 \times 10^{-10}\)

Cross validation RMSE

\(1.33 \times 10^{-5}\)