Python is convenient and flexible, yet notably slower than other languages for raw computational speed. The Python ecosystem has compensated with tools that make crunching numbers at scale in Python ...

特征工程是机器学习流程中的关键步骤，在此过程中，原始数据被转换为更具意义的特征，以增强模型对数据关系的理解能力。 特征工程通常涉及对现有数据应用转换，以生成或修改数据，这些转换后的数据在机器学习和数据科学的语境下用于训练模型，从而 ...

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This online data science specialization is designed for learners with little to no programming experience who want to use Python as a tool to play with data. You will learn basic input and output ...