FeatureEngineering

Overview

Flexibility

Simplicity

So, What is Feature Engineering?

Representation Issue?

An Art?

Feature Selection & Extraction

Is this attribute useful for my modeling task?

How to engineer new features?

Automatic Construction

Manual Construction

Many vs. few

Feature Learning

Feature Engineering Process

Data Selection

Data Preprocess

Data Transformation

Data Model

The Iterative Process of Feature Engineering

Brainstorm features

Devise features

Select features

Evaluate models