Upload ev_station_readme.md

ev_station_readme.md

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+# EV Station dataset from Fintraffic
+## Overview
+- Dataset from Fintraffic contains the information regarding most current ev charging stations in Finland, which then was later merged with another similar dataset from Google to create a final ev station infrastructure dataset for analysis.
+- The data has 3848 entries, with features after cleaning include:
++ station_id: id of the station 
++ station_name: name of the station
++ latitude, longitude: coordinates
++ city: city name
++ operator_name: name of the business owner of the station
++ total_evses: number of electric vehicle supply equipment (evse), or charging posts, in each station
++ total_connectors: number of connectors in each station (each post can have multiple connectors, but only 1 car/post)
++ max_power_kw: the highest capacity connector that that station has in terms of kW
++ total_dc_connectors: total DC connectors
++ total_ac_connectors: total AC connectors
++ highest_power_type: the highest capacity connector that that station has in terms of type, which consists of AC slow/medium/fast, DC slow/fats/ultra fast level 1/ultra fast level 2. 
+- After cleaning all of the features have little to no null values.
+
+## Analysis
+Done on the merged dataset.
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