The DeSart & Holbrook model is captured in the econometric models component of the combined PollyVote forecast. It currently predicts a major vote share of 63.0% for Clinton, and 37.0% for Trump in California. In comparison, on October 20 Trump was predicted to garner 36.4% of the vote.
Putting the results in context
As any other method, models are subject to bias. Therefore, as a general rule, don't have too much faith in the results of an individual econometric model. Rather, one should check how a model's results compare to benchmark forecasts.
The DeSart & Holbrook model compared with PollyVote's forecast
The most recent PollyVote anticipates Clinton to gain 62.0% of the two-party vote in California. PollyVote currently predicts Clinton to gain 1.0 percentage points less compared to the results of the DeSart & Holbrook model.