Modeling Spatial Riding Characteristics of Bike-Sharing Users Using Hotspot Areas-Based Association Rule Mining

Table 2

Data cleaning.

The type of data to process	Form	Processing method
GPS records are not in Beijing	Location records are abnormal	Delete
GPS records are missing	Some data do not record the origin and destination	Complete the data according to the same bikes that have been used twice in a row, or delete them if not
Time records are missing	Some records have no corresponding time field	Delete
The time interval is too short	Users ride for a short time, only a few seconds	Delete
Some records are coded incorrectly	The encoding of some records is inconsistent with the encoding format of other data	Correct the code and re‐read