Which analytics approach did the U.S. Department of Veterans Affairs implement in 2019 that reduced veteran service disengagement by 37%?

In the realm of politics and government, data analytics has transformed how agencies track and respond to citizen needs. One particularly innovative application has been in predicting and reducing citizen churn in government service utilization. This poll tests your knowledge about a groundbreaking predictive analytics tool that dramatically improved citizen engagement with government programs.

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Gradient Boosted Decision Trees with social interaction variables
Simple linear regression with demographic predictors
Neural networks analyzing service complaint patterns
Random Forest models focused on geographic access barriers