Update README.md

README.md

@@ -43,5 +43,5 @@ vY = np.concatenate((vYTrain, vYVal), axis = 0)
 mX = np.reshape(tX, (tX.shape[0], -1))
 
 dfData = pd.DataFrame(np.concatenate((mX, vY[:, np.newaxis]), axis = 1), columns = [f'Pixel_{ii:04d}' for ii in range(mX.shape[1])] + ['Label'])
-dfData.to_csv('CIFAR10.csv', index = False)
+dfData.to_parquet('CIFAR10.parquet', index = False)
 ```