Table 5 Statistical performance metrics comparison of ML models.

From: Computational fluid dynamics and machine learning integration for evaluating solar thermal collector efficiency -Based parameter analysis

Model Type

Model Configuration

R² Score

RMSE

Performance Category

LR

Baseline

0.6134

0.056

Baseline/Reference

SVR

Baseline

0.5096

0.0631

Moderate

ANN

Baseline

0.4098

0.0692

Lower baseline

SVR

Optimized

0.96

0.019

High Performance

ANN

Optimized

0.94

0.02

High Performance