Machine learning data preprocessing feature engineering

George Jen, Jen Tek LLC

Data preprocessing is a big part of the data science and data engineering, it is arguably a most time-consuming section of the machine learning project. Feature engineering is a portion of data preprocessing, part of the feature engineering work is to understand available feature variables or columns in business meaning and to select, transform and optimize right feature variables or columns to participate training of machine learning models. Dimensionality reduction, meaning reducing those feature variables or…