R data.table code becomes more efficient — and elegant — when you take advantage of its special symbols and functions. With that in mind, we’ll look at some special ways to subset, count ...

in Operator Purpose: Checks for membership (if an element exists within an iterable). Syntax: x in y Returns: True if the value x is found in the iterable y, False otherwise. Use Case: Used with lists ...

All AutoGraph operators use pure functional forms. This may sometimes mean that expressions which normally appear bare in Python, are wrapped inside a function (also known as thunk). If a Python ...