User talk:Silver2Falcon

$$r(d)=\frac{\textstyle \sum_{i} ((x_i-\mu)(x'_{i+d}-\mu'))}{\textstyle \sqrt { \sum_i(x_i-\mu)^2 } \sqrt { \sum_i (x'_{i+d} - \mu')} }$$

Silver2Falcon (talk) 07:16, 19 December 2008 (UTC)