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www.statlect.com/fundamentals-of-probability/linear-correlation

Linear correlation. by Marco Taboga, PhD. Linear correlation is a measure of dependence between two random variables that can take values between -1 and 1. It is proportional to covariance and its interpretation is very similar to that of covariance.

medical-dictionary.thefreedictionary.com/Linear+correlation

correlation The degree to which two or more variables are related in some fashion. A linear relationship between variables can be measured with Pearson's correlation or Spearman's rho.

blog.udemy.com/linear-correlation

While correlation coefficients measure the strength of association between two variables, linear correlation indicates the strongest association between two variables. Visually, this represents any relationship between two variables that depicts a straight line when plotted out next to each other in a graph.

www.dummies.com/education/math/statistics/how-to-interpret-a-correlation...

In statistics, the correlation coefficient r measures the strength and direction of a linear relationship between two variables on a scatterplot. The value of r is always between +1 and –1. To interpret its value, see which of the following values your correlation r is closest to: Exactly –1. A perfect downhill (negative) linear relationship […]

en.wikipedia.org/wiki/Correlation_and_dependence

Several sets of (x, y) points, with the Pearson correlation coefficient of x and yx, y) points, with the Pearson correlation coefficient of x and y

www.mathworks.com/help/matlab/data_analysis/linear-correlation.html

Linear Correlation Introduction. Correlation quantifies the strength of a linear relationship between two variables. When there is no correlation between two variables, then there is no tendency for the values of the variables to increase or decrease in tandem.

en.wikiversity.org/wiki/Correlation

Linear correlation refers to straight-line relationships between two variables. A correlation can range between -1 (perfect negative relationship) and +1 (perfect positive relationship), with 0 indicating no straight-line relationship. The earliest known use of correlation was in the late 19th century.

stattrek.com/statistics/correlation.aspx

Correlation Coefficient. Correlation coefficients measure the strength of association between two variables. The most common correlation coefficient, called the Pearson product-moment correlation coefficient, measures the strength of the linear association between variables measured on an interval or ratio scale.

www.investopedia.com/terms/l/linearrelationship.asp

Linear relationship is a statistical term used to describe the relationship between a variable and a constant. Linear relationships can be expressed either in a graphical format where the variable ...

www.statisticshowto.datasciencecentral.com/linear-relationship

Regression Analysis > Linear Relationship. What is a Linear Relationship? A linear relationship means that you can represent the relationship between two sets of variables with a line (the word “linear” literally means “a line”). In other words, a linear line on a graph is where you can see a straight line with no curves.