Timeline for Relationship between the phi, Matthews and Pearson correlation coefficients
Current License: CC BY-SA 3.0
4 events
| when toggle format | what | by | license | comment | |
|---|---|---|---|---|---|
| May 19, 2013 at 20:55 | vote | accept | Tim | ||
| May 18, 2013 at 1:44 | comment | added | Peter Ellis | If you take the definition of the Pearson correlation and manipulate it so it refers to counts rather than to sums of the differences between individual observations and the means, you get the Matthews formula. I haven't actually done this, but it must be reasonably straightforward. | |
| May 18, 2013 at 1:36 | comment | added | Tim | Thanks, Peter! Mathematically, why are phi and Mathew equivalent to Pearson for two binary random variables? | |
| May 18, 2013 at 1:20 | history | answered | Peter Ellis | CC BY-SA 3.0 |