Prediction scores will be calculated based on the root mean square error criteria:
\[ RMSE = \sqrt{\frac{1}{n_{test}} \sum_{i=1}^{n_{test}}(\hat{y}_i - y_i)^2} \]
where "y" is the actual movie rating and "y-hat" is the predicted movie rating.
Submission Format
Submission files should contain two columns: movie_title and imdb_score.  The csv file should contain a header and have the following format:
movie_title,imdb_score
Movie Title, 7.0