Correlations

This is my first article on my Correlation blog.  Hope you guys will like it.😃😃 Correlation coefficients  are used to measure how strong a relationship is between two variables . There are several types of correlation coefficient, but the most popular is Pearson's.   Pearson’s correlation  (also called Pearson’s  R ) is a  correlation coefficient  commonly used in linear regression .  The full name is the  Pearson Product Moment Correlation (PPMC).  If you’re starting out in statistics, you’ll probably learn about Pearson’s  R  first. In fact, when anyone refers to the   correlation coefficient, they are usually talking about Pearson’s. Correlation coefficient helps us to find how strong a relationship is between data. It gives both direction and strength of the relationship. This correlation works good with linear datasets. Below is the formula for Pearson's Correlation :- We can also write the above formula in the form...