Missing info about the linear regression estimation method (least squares or something else?). — Preceding unsigned comment added by 85.250.149.232 (talk • contribs) May 3, 2014
- From the article in which the image is used "The blue lines indicate linear regressions, resulting in the correlation coefficients r shown. " Meters (talk) 20:38, 3 May 2014 (UTC)
