Evaluation: The evaluation metric for this competition is based on R-square of your predicted Wage vs the real value of Wage on every submission you made compared to the Professor or TA's models. You must check the validation of your model to get your real rank. Invalid models are not accepted in the final grading scheme. Submission Format For every author in the dataset , submission files should contain two columns: Ob and WageNew. Submission files should be a csv file format. The file should contain a header and have the following format: Ob, WageNew 1, 1230 8, 5420 9, 2015 10, 3165 etc.