Pearson’s r Correlation - Statistics Lectures
statisticslectures.com/topics/pearsonrPearson s r measures the strength of the linear relationship between two variables. Pearson s r is always between -1 and 1. Here is a perfect positive relationship. r is equal to 1.0: Figure 2. Here is a perfect negative relationship. r is equal to -1.0: Figure 3. Here is an example of data that has no relationship. r is somewhere close to 0.0:
Pearson correlation in R - Statistical Aid
https://www.statisticalaid.com/pearson-correlation-in-r26.10.2021 · The Pearson correlation coefficient, sometimes known as Pearson’s r, is a statistic that determines how closely two variables are related. Its value ranges from -1 to +1, with 0 denoting no linear correlation, -1 denoting a perfect negative linear correlation, and +1 denoting a perfect positive linear correlation.A correlation between variables means that as one variable’s …