We can cast an ordinary python list as a NumPy one-dimensional array. We can also cast a python list of lists to a NumPy two-dimensional array. Usually we will build arrays by using NumPy's ...

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 ...

The Data Science Lab Data Prep for Machine Learning: Splitting Dr. James McCaffrey of Microsoft Research explains how to programmatically split a file of data into a training file and a test file, for ...