Suchergebnisse

ABSTRACTExperiments contrasted judgmental and objective forecast methods. Judgmental methods included "eyeball" extrapolation of time‐series plots and judgmental adjustment. Objective methods included Box‐Jenkins (BJ), Carbone‐Longini AEP filtering (CL), Holt‐Winters (HW), and other smoothing techniques. Objective methods proved more accurate than eyeball extrapolation. However, judgmental adjustment improved the accuracy of some objective forecasts.

ABSTRACTDecision support for managers and policy makers, such as required in planning and evaluation efforts, often requires ad hoc behavioral modeling to account for context‐specific phenomena and to handle data limitations. This paper introduces a systematic approach useful for meeting these requirements in which time‐varying parameter estimation plays an important role. A case study evaluating the impacts of public policy actions on residential natural gas conservation illustrates the approach.

Introducing GIS for police work -- Exploring ArcGIS desktop -- Using crime maps -- Building crime maps -- Querying crime maps -- Assembling jurisdiction feature classes -- Geocoding crime incident data -- Automating crime mapping -- Predictive policing for crime hot spots