Cloud supercomputers rule our AeroX fastback cap to be a drag-reduction success—but does the wind agree? As you might recall, ...

High-performance liquid chromatography (HPLC) was recently used to detect acylated impurities in artificial hormones meant to ...

After that, you can always start at step 2 below. If you don’t do this, r (the correlation coefficient) will not show up when you run the linear regression function. Press [2nd] and then [0] to ...

The correlation coefficient (denoted as r) is commonly calculated using the Pearson method, which measures the strength and direction of a linear relationship between two variables. Here is the ...

The closeness with which the points lie along this line is measured by Pearson’s correlation coefficient, also often denoted as Pearson’s r, and sometimes referred to as Pearson’s product moment ...

That's shown by the coefficient of determination, also known as “R-squared,” which is simply the correlation coefficient squared. The correlation coefficient also does not describe the slope ...

Figure 3: Effect of noise and sample size on Pearson's correlation coefficient r. Association is the same as dependence and may be due to direct or indirect causation. Correlation implies specific ...

Dylan Matthews is a senior correspondent and head writer for Vox’s Future Perfect section and has worked at Vox since 2014. He is particularly interested in global health and pandemic prevention ...