Research Article
Applying Clustered KNN Algorithm for Short-Term Travel Speed Prediction and Reduced Speed Detection on Urban Arterial Road Work Zones
Figure 5
Impact of lag duration and number of candidates on prediction error. (a) Forecast duration: 1 hour. (b) Forecast duration: 2 hours. (c) Forecast duration: 3 hours.
(a) |
(b) |
(c) |