ON NOVEMBER 6th 2018 the United States will hold elections for all 435 seats in the House of Representatives, the lower chamber of Congress. These are contested every two years, both alongside the presidential race and in mid-term elections. … The Economist has developed a statistical model for the House, to predict the results of every individual race and the battle for a majority. We will publish updates every day until the election at economist.com/midterms. For readers curious to understand how we produce these estimates, our methodology is outlined below. CONT.
The Economist