This online data science specialization will teach you the fundamentals of data structures and algorithms with a focus on data science applications. This specialization is ideal for learners ...

Data structures—like lists, dictionaries (i.e., hashmaps or key-value stores), tuples (for storing immutable collections of objects), and sets (for storing collections of unique objects)—are ...

Creating Data Frames Although it's possible to create a data frame from scratch using Python data structures or NumPy arrays, it's more common in my experience to do so from a file. Fortunately, ...