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Transfer learning

As explained in Machine Learning for Tabular Data: XGBoost, Deep Learning, and AI

A technique that adapts knowledge learned from one task or dataset to a related task.

Transfer learning adapts a deep-learning network trained for one problem to a similar task with limited additional modeling effort. It is especially established for images and text, where reusable pretrained models are widely available. section 1.4

Tabular data makes this strategy harder to generalize: datasets vary widely, and broadly reusable pretrained solutions are difficult to obtain. Consequently, feature engineering often remains more influential for tabular machine learning. section 1.4

A practical contrast

A network trained on one image or text problem can be tweaked for a related task. A tabular-data model has fewer ready-made starting points because tabular problems differ substantially in structure and information. section 1.4

How Machine Learning for Tabular Data: XGBoost, Deep Learning, and AI covers it

How deep it goes
Defines adaptation and limited additional effort, but stops short of describing fine-tuning procedures or implementation details.
Examples
Contrasts adapting image or text networks with the scarcity of reusable pretrained solutions for varied tabular datasets.
What it assumes
Assumes familiarity with deep-learning networks, related tasks, and the distinction between tabular and unstructured data.
What you can do after
Evaluate/understand when pretrained deep-learning networks can transfer across related tasks and why tabular cases offer fewer reusable options.
How it connects
Connects transfer learning with deep learning, pretrained models, representation learning, feature engineering, and tabular data.

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Related concepts

This explainer was generated by Manning's knowledge graph from the text of Machine Learning for Tabular Data: XGBoost, Deep Learning, and AI. The section links point to the parts of the book it draws on.