538 Model Criticized for Lack of Transparency

Semafor: “It reappeared Friday with a forecast showing Harris winning 58 times out of 100. The results largely mirror those shown by other election forecasters, including the Economist.”

“The polling world’s Nates (Silver and Cohn), who don’t always agree with each other, both pointed out on Twitter that it appears the model has been altered significantly, and they criticized 538 and its owner ABC News for not explaining the changes to readers.”