# Co2 emissions — Data

来源：https://www.kaggle.com/competitions/co2-emissions/data

采集时间：2026-10-20T06:34:58Z

What files do I need? 

Ans: train.csv and test.csv

Use train.csv to study and train your data

Use test.csv to test your data  

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What should I expect the data format to be?  
Ans: The same as give in the uploaded files

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What should I do once the training and testing is done?

Ans: Find the accuracy of your model using R2 score metric

## Files

*   **train.csv** - the training set
*   **test.csv** - the test set
*   **sample_submission.csv** - a sample submission file in the correct format
*   **metaData.csv** - supplemental information about the data

## Columns

● MODEL YEAR e.g. 2014
● MAKE e.g. Acura
● MODEL e.g. ILX
● VEHICLE CLASS e.g. SUV
● ENGINE SIZE e.g. 4.7
● CYLINDERS e.g 6
● TRANSMISSION e.g. A6
● FUEL TYPE e.g. z
● FUEL CONSUMPTION in CITY(L/100 km) e.g. 9.9
● FUEL CONSUMPTION in HWY (L/100 km) e.g. 8.9
● FUEL CONSUMPTION COMB (L/100 km) e.g. 9.2
● CO2 EMISSIONS (g/km) e.g. 182 --> low --> 0