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Foundations of Artificial Intelligence & Machine Learning

Licence
OPEN CC-BY-4.0
Authors
Nidhi Sharma, Honey Singh, Ajay Sharma, Deepak Dagar
Published
2026-07-28 · Zenodo
Language
eng
Length
37166 words
Type
narrative text
Open ↗ Download Open original ↗
Challenges in Feature Engineering

Feature Engineering requires domain knowledge and careful analysis. Poorly designed features may:

  • reduce model accuracy
  • introduce bias
  • increase complexity
  • create misleading relationships Data scientists must therefore understand both the dataset and the problem domain before designing features. Importance in Modern AI Systems Modern AI systems heavily depend on high-quality features for learning meaningful patterns. Even advanced algorithms may perform poorly if important features are missing or irrelevant variables dominate the dataset. Feature Selection and Feature Engineering therefore play a critical role in building efficient, accurate, and reliable Machine Learning systems. As Machine Learning applications continue expanding across industries, preprocessing techniques such as feature optimization will remain essential components of intelligent system development.

CHAPTER 5

SUPERVISED LEARNING ALGORITHMS