View post: Walmart's bestselling Lenovo tablet is on sale for just $106, but not for long Correlation measures the relationship of two stocks based on their returns (percentage gains or losses), not ...

The correlation coefficient, often represented by the letter ‘r,’ measures the strength and direction of a linear relationship between two variables on a scatterplot. The value of r ranges from -1 to ...

For example, shoe sizes go up in (almost) perfect correlation with foot length. -1 indicates a strong negative relationship - for every positive increase in one variable, there is a negative decrease ...

This example was inspired by a Twitter post and investigates whether statistically there's a relationship between weekly COVID cases in the US and critical "no scent" US Amazon reviews for one of the ...

In this section, we will cover some basic statistical analyses that you can perform using R. These analyses include descriptive statistics, hypothesis testing, correlation analysis, and regression ...

Pearson’s correlation coefficient, often represented by the symbol “r”, is a statistical measure that determines the strength and direction of the relationship between two continuous variables. It’s ...

This paper discusses a number of aspects concerning the analysis, interpretation and reporting of correlations in agricultural sciences. Various problems that one might encounter with these aspects ...