A voter's favorite authors are those authors for whom that voter's vote's Z-score average is greater than 0.6. I.E. an author who this voter consistently rates highly, compared to the votes he gives other authors. A voter must vote on at least half of an author's comics in order to consider him a 'favorite'.
A voter's fans are the voters who averaged a score of > 0.6. I.E. voters who rate this author highly, and who have voted on enough of this author's comics that their voting pattern can be considered statistically significant. A voter must vote on at least half of an author's comics in order to be considered a 'fan'.