DataScience+ We publish R & Python tutorials from scientists at academic and scientific institutions with a goal to give everyone in the world access to a free knowledge. Our tutorials cover different topics including statistics, data manipulation and visualization!


Tidyr is a package by Hadley Wickham that makes it easy to tidy your data. It is often used in conjunction with dplyr. Data is said to be tidy when each column represents a variable, and each row represents an observation.