Easy as 1, 2, 3. . .

Probability = 1/(1 + exp (−1 × (−3.9659056 + (General Election Weight × 1.92380219) + (Re-Expressed Population Density × .00007547) + (Re-Expressed Age × .01947370) + (Total Primaries Voted × −.60288595) + (% Neighborhood Ethnicity × −.00717530))))

Blair Hull believes that is the winning formula . . . the mathematical probability of someone winning an election. He's testing it out himself.