…stay motivated and understand concepts when using material which teaches through hands-on examples. Rather than study the theory first and then look at applications, I use what Jeremy Howard at fast.ai calls the top-down approach: start off with an implementation of the concept that solves a problem, preferably in code. Then, with a framework in place, go back and study the theory as needed.
Spearman and Pearson are two statistical methods to calculate the strength of correlation between two variables or attributes. Pearson Correlation Coefficient can be used with continuous variables that have a linear relationship. Here is an example: