source:truck tracking webfleet solutions release time:2022-11-09 Hits: Popular:realtime gps tracker online
The traffic flow prediction results on the training set and the corresponding error curve are shown in Figure 2. The original data in Figure 2 (a) represents the actual traffic flow speed Y, and the prediction curve represents the traffic flow speed value YP fitted by multivariate linear regression of principal component analysis. It can be seen from the figure that there is a significant difference between the predicted value and the true value at the peak value of traffic flow. In addition to the peak value, the multiple linear regression method can generally predict the speed of traffic flow. The error curve in Figure 2 (b) more graphically shows the difference between the actual value and the predicted value.
The traffic flow prediction results and corresponding error curves on the test set are shown in Figure 3. Figure 3 (a) The original data curve represents the actual traffic flow speed Y on the test set, and the prediction curve represents the predicted traffic flow speed YP on the test set. It can also be seen from the test set that the situation similar to the training set also occurs, and the prediction error at the peak of traffic flow rate is large. According to the results of the experiment, it may be that when the traffic flow rate is high, the road flow is relatively smooth, the driving speed of vehicles is fast, and the positioning of mobile GPS has a certain delay, which can not accurately reflect the driving speed of cars at that time. However, it just shows that there was no congestion on the road at that time, which is convenient for people to travel. However, this method can accurately predict the traffic flow rate at the place where the traffic flow rate is low within the allowable error range, and then it can be judged that there is congestion at the place where the traffic flow rate is low, and this section is not suitable for travel at this moment.
Read recommendations:
YG119- Hunting Dog GPS tracker
The main factors that affect the performance of GPS antennas are the following.trailer gps tracker w
Design of GPS Vehicle Satellite Positioning Simulation System
Last article:GPS system functions
Next article:GPS Principal Component Analysis
Related Information
Dog gps tracker Vendor
2023-03-16mini gps tracker manufacture
2023-04-23GPS Tracker for vehicles Manufacturing
2023-03-16gps tracker for Car
2023-04-11GPS Tracker company
2023-04-11fleet solution webfleet solutions
2023-03-16GPS Tracking supplier
2023-04-11gps vehicle tracker Vendor
2023-04-23gps tracker no monthly fee
2023-03-16Gps speed limiter wholesale
2023-04-23P60L Personal gps tracker
2022-06-21GF20-Mini Magnet GPS Tracker
2022-06-21TK100N- Multi functional GPS Tracker
2023-10-06TK200AM-Disposable GPS Tracker
2022-06-21G03
2022-06-21GPS personal positioning
2022-12-15How to make the data of the GPS positioner more effective
2023-02-25Car GPS system
2023-02-09Five requirements that a good GPS module must meet
2022-11-07GPS Application field
2022-10-20The Development of China's GPS Navigation Market.gps tracker for trailer manufacturer
2023-08-25Differences between GPS monitoring platform BS and CS
2022-12-14GPS satellite error.realtime gps tracker online manufacturer
2023-04-23GPS function.gps vehicle tracker wholesaler
2023-06-07What is the GPS program of Gully?
2023-02-11GPS test set
2022-11-09Manufacturer introduces in detail the component of the car positioner.simple gps tracking wholesale
2023-06-08GPS module accuracy.gps vehicle tracker Solution
2023-07-11GPS receiver.gps tracker no monthly fee distributors.gps tracker no monthly fee ufacturer
2023-04-13Looking at the Development of GPS Navigation Products from the Demand of Electronic Map Products
2022-09-24