Electric vehicle charging stations and drivers dataset

# Data Description
## drivers.pickle
- Driver data generated by the simulator
- 667210 rows : 3 to 5 per Driver id
- 26 columns : Driver, staid, speed, chgerid etc

## meta.pickle
- Charging station data
- 30895 rows: Each electric vehicle charging station in the metropolitan area
- 25 columns : statid, chger id, chger type etc

## testset_df.pickle
- Dataset for Evaluation
- test.txt is about driverid and statid matching information
- correct answer by driverid Data with information about charging stations

## Data used in the experiment
### train.txt
- Charger stations used by driver
- driver : 0 ~ 185335
### test.txt
- Charger stations used by the driver
- Answer Data
- driver : 0 ~ 185335