ESS210B
Prof. Jin-Yi Yu
An Example
qSuppose that the correlation coefficient between sunspots and five-year mean global
temperature is 0.5 ( r = 0.5 ).
qThe fraction of the variance of 5-year mean global temperature that is “explained” by
sunspots is r2 = 0.25.
qThe fraction of unexplained variance is 0.75.