The DeSart & Holbrook model is included in the econometric models component of the combined PollyVote. According to the model, Clinton will achieve 93.8% of the two-party vote share in Washington, D.C., whereas Trump will win 6.2%.
Putting the results in context
As any other method, models are subject to bias. Hence, you should not focus too much on the results of a single econometric model. At the very least, one should check how a model's results compare to benchmark forecasts.
Results compared to the combined PollyVote prediction
The current PollyVote anticipates Clinton to gain 91.4% of the two-party vote in Washington, D.C.. PollyVote currently predicts Clinton to gain 2.4 percentage points less compared to the results of the DeSart & Holbrook model.