What is feature generation?

Feature generation is the process of creating new features from one or multiple existing features, potentially for use in statistical analysis . This process adds new information to be accessible during the model construction and therefore hopefully result in a more accurate model.

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What is a time series feature?

Time-series data have core components like seasonality, trend, and cycles . For example, ice-cream sales usually have yearly seasonality — you can reasonably predict the next summer’s sales based on this year’s. Similarly, temperatures or air quality measurements have daily seasonality or also, yearly.

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What is feature extraction with example?

Feature Extraction uses an object-based approach to classify imagery, where an object (also called segment) is a group of pixels with similar spectral, spatial, and/or texture attributes . Traditional classification methods are pixel-based, meaning that spectral information in each pixel is used to classify imagery.

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