The adjusted r-squared is helpful for multiple regression and corrects for erroneous regression, giving you a more accurate ...

If the mention of algebra conjures bad memories of math classes, a Python library called SymPy could change your mind about the subject. With SymPy, algebraic operations become easier than tedious ...

Take dynamic typing as an example. It seems amazing at first: Python literally figures out by itself what sort of value a variable might take, and you don’t need to waste another line of code by ...

Spiffy and convenient as Python is, most everyone who uses the language knows it’s comparatively creaky—orders of magnitude slower than C, Java, or JavaScript for CPU-intensive work. But several ...