Article | REF: C231 V1

Machine Learning in geotechnics: case study in the tunnelling field

Authors: Tatiana RICHA, Lina-María GUAYACÁN-CARRILLO, Jean-Michel PEREIRA, Gilles CHAPRON

Publication date: May 10, 2025 | Lire en français

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3. Methodology for implementing a machine learning model

3.1 Training and validation

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3.1.1 Learning

The first step is to train an algorithm with its default hyperparameters. To do this, simply take 70% or 80% of the data set for training and keep the rest for testing. This distribution depends on the size of the available dataset: you need to have enough data for training, while keeping a dataset of an acceptable size for testing, and therefore for checking the model's generalization capacity.

Box 14 – Initial training

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Methodology for implementing a machine learning model