Research Article
Evaluation of Temperature-Based Empirical Models and Machine Learning Techniques to Estimate Daily Global Solar Radiation at Biratnagar Airport, Nepal
Figure 5
Scatter plots of measured daily GSR versus estimated daily GSR using different ML models with 5-fold cross-validation. Medium Gaussian SVM shows a strong correlation between estimated and measured value. (a) Linear regression. (b) Stepwise linear regression. (c) Medium Gaussian SVM. (d) GPR matern 5/2. (e) GPR exponential.
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