pems数据分享

本人要做时空预测的课题，找了两天数据集，还是pems最适合。下面的数据来自第03 06 07 08区，在2023年一、二月份，每5min汇总一次的数据。

链接：

原始数据 https://www.aliyundrive.com/s/cbK2Sya1cW3
提取码: qo79

链接里的文件

原始数据主要有三部分：

1. 4个区的pems数据：pems0i.exe，点击解压
2. 4个区的vds列表：pems_output0i.xlsx
3. 4个区各约300个vds的详细信息：vds.exe，点击解压

数据格式

为方便，这里附上08区链接：https://pems.dot.ca.gov/?dnode=Clearinghouse&type=station_5min&district_id=8&submit=Submit

pems每条数据有52个属性：

列号	属性名	描述
0	Timestamp	MM/DD/YYYY HH24:MI:SS
1	Station	a number
2	District	a number
3	Freeway #
4	Direction of Travel	N | S | E | W
5	Lane Type	CD|CH|FF|FR|HV|ML|OR
6	Station Length	Segment length covered by the station in miles/km.
7	Samples	Total number of samples received for all lanes.
8	% Observed	Percentage of individual lane points at this location that were observed (e.g. not imputed).
9	Total Flow	Veh/5-min
10	% Avg Occupancy	Average occupancy across all lanes over the 5-minute period expressed as a decimal number between 0 and 1.
11	Avg Speed	Mph
12+8i	Lane N Samples
13+8i	Lane N Avg Occ
14+8i	Lane N Flow
15+8i	Lane N Avg Speed
16+8i	Lane N Observed
其中\(i\in\{0,1,2,3,4,5,6,7\}\)

每条数据是一个vds（探测器）获取的数据。每个vds的位置信息可以在网站上查到。