PSI - Issue 38

Frédéric Kihm et al. / Procedia Structural Integrity 38 (2022) 12–29 Kihm, Miu, Bonato / Structural Integrity Procedia 00 (2021) 000 – 000

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Fig. 4. comparison of temperature-induced damage versus strain-induced damage

Visually, the linear model interpolates the data well. Besides, as it appears from the plot in Fig. 5 that the distribution of residuals resembles a normal distribution.

Fig. 5. distribution of residuals

The relative absolute error (RAE) of the predictions on the training set is 35.9% and 36.5% on 10-fold cross validation. The results of the Ordinary Least Squares function are presented in Table 4:

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